Home / 8,432.13-12,648.56-2,588.97

Finding the Fourth Proportional to 8,432.13, 12,648.56 and 2,588.97

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Solution

The fourth proportional to 8,432.13, 12,648.56 and 2,588.97 is: 3,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.13 : 12,648.56 = 2,588.97 : x
  2. Step 2: Convert to fraction form
    8,432.13/12,648.56 = 2,588.97/x
  3. Step 3: Cross multiply
    8,432.13x = 12,648.56 × 2,588.97
  4. Step 4: Simplify right side
    8,432.13x = 32,746,742.38
  5. Step 5: Solve for x
    x = 32,746,742.38/8,432.13
  6. Step 6: Final answer
    x = 3,883.57

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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.