Home / 8,077.50-12,116.25-2,154.41

Finding the Fourth Proportional to 8,077.50, 12,116.25 and 2,154.41

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Solution

The fourth proportional to 8,077.50, 12,116.25 and 2,154.41 is: 3,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.50 : 12,116.25 = 2,154.41 : x
  2. Step 2: Convert to fraction form
    8,077.50/12,116.25 = 2,154.41/x
  3. Step 3: Cross multiply
    8,077.50x = 12,116.25 × 2,154.41
  4. Step 4: Simplify right side
    8,077.50x = 26,103,309.58
  5. Step 5: Solve for x
    x = 26,103,309.58/8,077.50
  6. Step 6: Final answer
    x = 3,231.61

Related Problems

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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.