Home / 5,331.84-7,997.76-2,557.92

Finding the Fourth Proportional to 5,331.84, 7,997.76 and 2,557.92

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Solution

The fourth proportional to 5,331.84, 7,997.76 and 2,557.92 is: 3,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.84 : 7,997.76 = 2,557.92 : x
  2. Step 2: Convert to fraction form
    5,331.84/7,997.76 = 2,557.92/x
  3. Step 3: Cross multiply
    5,331.84x = 7,997.76 × 2,557.92
  4. Step 4: Simplify right side
    5,331.84x = 20,457,630.26
  5. Step 5: Solve for x
    x = 20,457,630.26/5,331.84
  6. Step 6: Final answer
    x = 3,836.88

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Similar ratio
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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.