Home / 4,143.02-5,720.12-3,197.13

Finding the Fourth Proportional to 4,143.02, 5,720.12 and 3,197.13

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Solution

The fourth proportional to 4,143.02, 5,720.12 and 3,197.13 is: 4,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.02 : 5,720.12 = 3,197.13 : x
  2. Step 2: Convert to fraction form
    4,143.02/5,720.12 = 3,197.13/x
  3. Step 3: Cross multiply
    4,143.02x = 5,720.12 × 3,197.13
  4. Step 4: Simplify right side
    4,143.02x = 18,287,951.27
  5. Step 5: Solve for x
    x = 18,287,951.27/4,143.02
  6. Step 6: Final answer
    x = 4,414.16

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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.