Home / 8,711.56-13,057.61-3,773.80

Finding the Fourth Proportional to 8,711.56, 13,057.61 and 3,773.80

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Solution

The fourth proportional to 8,711.56, 13,057.61 and 3,773.80 is: 5,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.56 : 13,057.61 = 3,773.80 : x
  2. Step 2: Convert to fraction form
    8,711.56/13,057.61 = 3,773.80/x
  3. Step 3: Cross multiply
    8,711.56x = 13,057.61 × 3,773.80
  4. Step 4: Simplify right side
    8,711.56x = 49,276,808.62
  5. Step 5: Solve for x
    x = 49,276,808.62/8,711.56
  6. Step 6: Final answer
    x = 5,656.49

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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.