Home / 4,431.18-6,115.68-2,663.76

Finding the Fourth Proportional to 4,431.18, 6,115.68 and 2,663.76

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Solution

The fourth proportional to 4,431.18, 6,115.68 and 2,663.76 is: 3,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.18 : 6,115.68 = 2,663.76 : x
  2. Step 2: Convert to fraction form
    4,431.18/6,115.68 = 2,663.76/x
  3. Step 3: Cross multiply
    4,431.18x = 6,115.68 × 2,663.76
  4. Step 4: Simplify right side
    4,431.18x = 16,290,703.76
  5. Step 5: Solve for x
    x = 16,290,703.76/4,431.18
  6. Step 6: Final answer
    x = 3,676.38

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Find fourth proportional to 2,215.59, 3,057.84 and 1,331.88
Half scale
Find fourth proportional to 8,862.36, 12,231.36 and 5,327.52
Double scale
Find fourth proportional to 4,432.18, 6,117.06 and 2,664.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.