Home / 8,115.52-11,199.46-4,758.39

Finding the Fourth Proportional to 8,115.52, 11,199.46 and 4,758.39

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Solution

The fourth proportional to 8,115.52, 11,199.46 and 4,758.39 is: 6,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.52 : 11,199.46 = 4,758.39 : x
  2. Step 2: Convert to fraction form
    8,115.52/11,199.46 = 4,758.39/x
  3. Step 3: Cross multiply
    8,115.52x = 11,199.46 × 4,758.39
  4. Step 4: Simplify right side
    8,115.52x = 53,291,398.47
  5. Step 5: Solve for x
    x = 53,291,398.47/8,115.52
  6. Step 6: Final answer
    x = 6,566.60

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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.