Home / 4,331.97-6,487.02-2,872.80

Finding the Fourth Proportional to 4,331.97, 6,487.02 and 2,872.80

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Solution

The fourth proportional to 4,331.97, 6,487.02 and 2,872.80 is: 4,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.97 : 6,487.02 = 2,872.80 : x
  2. Step 2: Convert to fraction form
    4,331.97/6,487.02 = 2,872.80/x
  3. Step 3: Cross multiply
    4,331.97x = 6,487.02 × 2,872.80
  4. Step 4: Simplify right side
    4,331.97x = 18,635,911.06
  5. Step 5: Solve for x
    x = 18,635,911.06/4,331.97
  6. Step 6: Final answer
    x = 4,301.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.