Home / 4,431.40-6,114.48-2,663.20

Finding the Fourth Proportional to 4,431.40, 6,114.48 and 2,663.20

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Solution

The fourth proportional to 4,431.40, 6,114.48 and 2,663.20 is: 3,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.40 : 6,114.48 = 2,663.20 : x
  2. Step 2: Convert to fraction form
    4,431.40/6,114.48 = 2,663.20/x
  3. Step 3: Cross multiply
    4,431.40x = 6,114.48 × 2,663.20
  4. Step 4: Simplify right side
    4,431.40x = 16,284,083.14
  5. Step 5: Solve for x
    x = 16,284,083.14/4,431.40
  6. Step 6: Final answer
    x = 3,674.70

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Half scale
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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.