Home / 8,434.44-12,651.66-2,591.10

Finding the Fourth Proportional to 8,434.44, 12,651.66 and 2,591.10

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Solution

The fourth proportional to 8,434.44, 12,651.66 and 2,591.10 is: 3,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.44 : 12,651.66 = 2,591.10 : x
  2. Step 2: Convert to fraction form
    8,434.44/12,651.66 = 2,591.10/x
  3. Step 3: Cross multiply
    8,434.44x = 12,651.66 × 2,591.10
  4. Step 4: Simplify right side
    8,434.44x = 32,781,716.23
  5. Step 5: Solve for x
    x = 32,781,716.23/8,434.44
  6. Step 6: Final answer
    x = 3,886.65

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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.