Home / 5,553.53-8,331.61-1,657.84

Finding the Fourth Proportional to 5,553.53, 8,331.61 and 1,657.84

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Solution

The fourth proportional to 5,553.53, 8,331.61 and 1,657.84 is: 2,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.53 : 8,331.61 = 1,657.84 : x
  2. Step 2: Convert to fraction form
    5,553.53/8,331.61 = 1,657.84/x
  3. Step 3: Cross multiply
    5,553.53x = 8,331.61 × 1,657.84
  4. Step 4: Simplify right side
    5,553.53x = 13,812,438.81
  5. Step 5: Solve for x
    x = 13,812,438.81/5,553.53
  6. Step 6: Final answer
    x = 2,487.15

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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.