Home / 5,553.12-8,331.44-1,657.76

Finding the Fourth Proportional to 5,553.12, 8,331.44 and 1,657.76

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Solution

The fourth proportional to 5,553.12, 8,331.44 and 1,657.76 is: 2,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.12 : 8,331.44 = 1,657.76 : x
  2. Step 2: Convert to fraction form
    5,553.12/8,331.44 = 1,657.76/x
  3. Step 3: Cross multiply
    5,553.12x = 8,331.44 × 1,657.76
  4. Step 4: Simplify right side
    5,553.12x = 13,811,527.97
  5. Step 5: Solve for x
    x = 13,811,527.97/5,553.12
  6. Step 6: Final answer
    x = 2,487.17

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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.