Home / 8,540.07-12,725.20-7,608.47

Finding the Fourth Proportional to 8,540.07, 12,725.20 and 7,608.47

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Solution

The fourth proportional to 8,540.07, 12,725.20 and 7,608.47 is: 11,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.07 : 12,725.20 = 7,608.47 : x
  2. Step 2: Convert to fraction form
    8,540.07/12,725.20 = 7,608.47/x
  3. Step 3: Cross multiply
    8,540.07x = 12,725.20 × 7,608.47
  4. Step 4: Simplify right side
    8,540.07x = 96,819,286.45
  5. Step 5: Solve for x
    x = 96,819,286.45/8,540.07
  6. Step 6: Final answer
    x = 11,337.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.