Home / 5,331.60-7,997.76-3,381.12

Finding the Fourth Proportional to 5,331.60, 7,997.76 and 3,381.12

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Solution

The fourth proportional to 5,331.60, 7,997.76 and 3,381.12 is: 5,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.60 : 7,997.76 = 3,381.12 : x
  2. Step 2: Convert to fraction form
    5,331.60/7,997.76 = 3,381.12/x
  3. Step 3: Cross multiply
    5,331.60x = 7,997.76 × 3,381.12
  4. Step 4: Simplify right side
    5,331.60x = 27,041,386.29
  5. Step 5: Solve for x
    x = 27,041,386.29/5,331.60
  6. Step 6: Final answer
    x = 5,071.91

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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.