Home / 8,434.50-12,651.77-2,591.07

Finding the Fourth Proportional to 8,434.50, 12,651.77 and 2,591.07

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Solution

The fourth proportional to 8,434.50, 12,651.77 and 2,591.07 is: 3,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.50 : 12,651.77 = 2,591.07 : x
  2. Step 2: Convert to fraction form
    8,434.50/12,651.77 = 2,591.07/x
  3. Step 3: Cross multiply
    8,434.50x = 12,651.77 × 2,591.07
  4. Step 4: Simplify right side
    8,434.50x = 32,781,621.69
  5. Step 5: Solve for x
    x = 32,781,621.69/8,434.50
  6. Step 6: Final answer
    x = 3,886.61

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Half scale
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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.