Home / 8,906.20-12,278.46-7,506.52

Finding the Fourth Proportional to 8,906.20, 12,278.46 and 7,506.52

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Solution

The fourth proportional to 8,906.20, 12,278.46 and 7,506.52 is: 10,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.20 : 12,278.46 = 7,506.52 : x
  2. Step 2: Convert to fraction form
    8,906.20/12,278.46 = 7,506.52/x
  3. Step 3: Cross multiply
    8,906.20x = 12,278.46 × 7,506.52
  4. Step 4: Simplify right side
    8,906.20x = 92,168,505.56
  5. Step 5: Solve for x
    x = 92,168,505.56/8,906.20
  6. Step 6: Final answer
    x = 10,348.80

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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.