Home / 5,239.02-7,229.87-3,143.14

Finding the Fourth Proportional to 5,239.02, 7,229.87 and 3,143.14

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Solution

The fourth proportional to 5,239.02, 7,229.87 and 3,143.14 is: 4,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.02 : 7,229.87 = 3,143.14 : x
  2. Step 2: Convert to fraction form
    5,239.02/7,229.87 = 3,143.14/x
  3. Step 3: Cross multiply
    5,239.02x = 7,229.87 × 3,143.14
  4. Step 4: Simplify right side
    5,239.02x = 22,724,493.59
  5. Step 5: Solve for x
    x = 22,724,493.59/5,239.02
  6. Step 6: Final answer
    x = 4,337.55

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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.