Home / 4,253.55-6,381.02-1,331.16

Finding the Fourth Proportional to 4,253.55, 6,381.02 and 1,331.16

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Solution

The fourth proportional to 4,253.55, 6,381.02 and 1,331.16 is: 1,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.55 : 6,381.02 = 1,331.16 : x
  2. Step 2: Convert to fraction form
    4,253.55/6,381.02 = 1,331.16/x
  3. Step 3: Cross multiply
    4,253.55x = 6,381.02 × 1,331.16
  4. Step 4: Simplify right side
    4,253.55x = 8,494,158.58
  5. Step 5: Solve for x
    x = 8,494,158.58/4,253.55
  6. Step 6: Final answer
    x = 1,996.96

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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.