Home / 8,691.04-13,041.24-5,770.72

Finding the Fourth Proportional to 8,691.04, 13,041.24 and 5,770.72

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Solution

The fourth proportional to 8,691.04, 13,041.24 and 5,770.72 is: 8,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.04 : 13,041.24 = 5,770.72 : x
  2. Step 2: Convert to fraction form
    8,691.04/13,041.24 = 5,770.72/x
  3. Step 3: Cross multiply
    8,691.04x = 13,041.24 × 5,770.72
  4. Step 4: Simplify right side
    8,691.04x = 75,257,344.49
  5. Step 5: Solve for x
    x = 75,257,344.49/8,691.04
  6. Step 6: Final answer
    x = 8,659.19

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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.