Home / 8,740.04-13,110.98-3,742.92

Finding the Fourth Proportional to 8,740.04, 13,110.98 and 3,742.92

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Solution

The fourth proportional to 8,740.04, 13,110.98 and 3,742.92 is: 5,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.04 : 13,110.98 = 3,742.92 : x
  2. Step 2: Convert to fraction form
    8,740.04/13,110.98 = 3,742.92/x
  3. Step 3: Cross multiply
    8,740.04x = 13,110.98 × 3,742.92
  4. Step 4: Simplify right side
    8,740.04x = 49,073,330.55
  5. Step 5: Solve for x
    x = 49,073,330.55/8,740.04
  6. Step 6: Final answer
    x = 5,614.78

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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.