Home / 8,252.10-12,378.15-5,627.70

Finding the Fourth Proportional to 8,252.10, 12,378.15 and 5,627.70

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Solution

The fourth proportional to 8,252.10, 12,378.15 and 5,627.70 is: 8,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.10 : 12,378.15 = 5,627.70 : x
  2. Step 2: Convert to fraction form
    8,252.10/12,378.15 = 5,627.70/x
  3. Step 3: Cross multiply
    8,252.10x = 12,378.15 × 5,627.70
  4. Step 4: Simplify right side
    8,252.10x = 69,660,514.76
  5. Step 5: Solve for x
    x = 69,660,514.76/8,252.10
  6. Step 6: Final answer
    x = 8,441.55

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Half 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.