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Finding the Fourth Proportional to 8,276.32, 12,414.40 and 5,010.40

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Solution

The fourth proportional to 8,276.32, 12,414.40 and 5,010.40 is: 7,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.32 : 12,414.40 = 5,010.40 : x
  2. Step 2: Convert to fraction form
    8,276.32/12,414.40 = 5,010.40/x
  3. Step 3: Cross multiply
    8,276.32x = 12,414.40 × 5,010.40
  4. Step 4: Simplify right side
    8,276.32x = 62,201,109.76
  5. Step 5: Solve for x
    x = 62,201,109.76/8,276.32
  6. Step 6: Final answer
    x = 7,515.55

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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.