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Finding the Fourth Proportional to 8,040, 11,097.12 and 4,729.92

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Solution

The fourth proportional to 8,040, 11,097.12 and 4,729.92 is: 6,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040 : 11,097.12 = 4,729.92 : x
  2. Step 2: Convert to fraction form
    8,040/11,097.12 = 4,729.92/x
  3. Step 3: Cross multiply
    8,040x = 11,097.12 × 4,729.92
  4. Step 4: Simplify right side
    8,040x = 52,488,489.83
  5. Step 5: Solve for x
    x = 52,488,489.83/8,040
  6. Step 6: Final answer
    x = 6,528.42

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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.