Home / 8,771.32-13,152.10-2,924.74

Finding the Fourth Proportional to 8,771.32, 13,152.10 and 2,924.74

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Solution

The fourth proportional to 8,771.32, 13,152.10 and 2,924.74 is: 4,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.32 : 13,152.10 = 2,924.74 : x
  2. Step 2: Convert to fraction form
    8,771.32/13,152.10 = 2,924.74/x
  3. Step 3: Cross multiply
    8,771.32x = 13,152.10 × 2,924.74
  4. Step 4: Simplify right side
    8,771.32x = 38,466,472.95
  5. Step 5: Solve for x
    x = 38,466,472.95/8,771.32
  6. Step 6: Final answer
    x = 4,385.48

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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.