Home / 8,380.27-11,570.19-5,196.95

Finding the Fourth Proportional to 8,380.27, 11,570.19 and 5,196.95

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Solution

The fourth proportional to 8,380.27, 11,570.19 and 5,196.95 is: 7,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.27 : 11,570.19 = 5,196.95 : x
  2. Step 2: Convert to fraction form
    8,380.27/11,570.19 = 5,196.95/x
  3. Step 3: Cross multiply
    8,380.27x = 11,570.19 × 5,196.95
  4. Step 4: Simplify right side
    8,380.27x = 60,129,698.92
  5. Step 5: Solve for x
    x = 60,129,698.92/8,380.27
  6. Step 6: Final answer
    x = 7,175.15

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.