Home / 9,287.52-12,816.80-5,308.73

Finding the Fourth Proportional to 9,287.52, 12,816.80 and 5,308.73

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Solution

The fourth proportional to 9,287.52, 12,816.80 and 5,308.73 is: 7,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.52 : 12,816.80 = 5,308.73 : x
  2. Step 2: Convert to fraction form
    9,287.52/12,816.80 = 5,308.73/x
  3. Step 3: Cross multiply
    9,287.52x = 12,816.80 × 5,308.73
  4. Step 4: Simplify right side
    9,287.52x = 68,040,930.66
  5. Step 5: Solve for x
    x = 68,040,930.66/9,287.52
  6. Step 6: Final answer
    x = 7,326.06

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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.