Home / 8,432.41-12,648.62-2,885.80

Finding the Fourth Proportional to 8,432.41, 12,648.62 and 2,885.80

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Solution

The fourth proportional to 8,432.41, 12,648.62 and 2,885.80 is: 4,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.41 : 12,648.62 = 2,885.80 : x
  2. Step 2: Convert to fraction form
    8,432.41/12,648.62 = 2,885.80/x
  3. Step 3: Cross multiply
    8,432.41x = 12,648.62 × 2,885.80
  4. Step 4: Simplify right side
    8,432.41x = 36,501,387.60
  5. Step 5: Solve for x
    x = 36,501,387.60/8,432.41
  6. Step 6: Final answer
    x = 4,328.70

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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.