Home / 8,791.28-13,186.98-3,597.15

Finding the Fourth Proportional to 8,791.28, 13,186.98 and 3,597.15

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Solution

The fourth proportional to 8,791.28, 13,186.98 and 3,597.15 is: 5,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.28 : 13,186.98 = 3,597.15 : x
  2. Step 2: Convert to fraction form
    8,791.28/13,186.98 = 3,597.15/x
  3. Step 3: Cross multiply
    8,791.28x = 13,186.98 × 3,597.15
  4. Step 4: Simplify right side
    8,791.28x = 47,435,545.11
  5. Step 5: Solve for x
    x = 47,435,545.11/8,791.28
  6. Step 6: Final answer
    x = 5,395.75

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Double scale
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Similar ratio
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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.