Home / 8,882.19-12,256.08-5,902.40

Finding the Fourth Proportional to 8,882.19, 12,256.08 and 5,902.40

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Solution

The fourth proportional to 8,882.19, 12,256.08 and 5,902.40 is: 8,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.19 : 12,256.08 = 5,902.40 : x
  2. Step 2: Convert to fraction form
    8,882.19/12,256.08 = 5,902.40/x
  3. Step 3: Cross multiply
    8,882.19x = 12,256.08 × 5,902.40
  4. Step 4: Simplify right side
    8,882.19x = 72,340,295.10
  5. Step 5: Solve for x
    x = 72,340,295.10/8,882.19
  6. Step 6: Final answer
    x = 8,144.42

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.