Home / 4,431.33-6,118.17-3,421.20

Finding the Fourth Proportional to 4,431.33, 6,118.17 and 3,421.20

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Solution

The fourth proportional to 4,431.33, 6,118.17 and 3,421.20 is: 4,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.33 : 6,118.17 = 3,421.20 : x
  2. Step 2: Convert to fraction form
    4,431.33/6,118.17 = 3,421.20/x
  3. Step 3: Cross multiply
    4,431.33x = 6,118.17 × 3,421.20
  4. Step 4: Simplify right side
    4,431.33x = 20,931,483.20
  5. Step 5: Solve for x
    x = 20,931,483.20/4,431.33
  6. Step 6: Final answer
    x = 4,723.52

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Half scale
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Double 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.