Home / 9,272.52-12,789.30-6,755.40

Finding the Fourth Proportional to 9,272.52, 12,789.30 and 6,755.40

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Solution

The fourth proportional to 9,272.52, 12,789.30 and 6,755.40 is: 9,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.52 : 12,789.30 = 6,755.40 : x
  2. Step 2: Convert to fraction form
    9,272.52/12,789.30 = 6,755.40/x
  3. Step 3: Cross multiply
    9,272.52x = 12,789.30 × 6,755.40
  4. Step 4: Simplify right side
    9,272.52x = 86,396,837.22
  5. Step 5: Solve for x
    x = 86,396,837.22/9,272.52
  6. Step 6: Final answer
    x = 9,317.51

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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.