Home / 9,335.20-12,882.52-5,143.44

Finding the Fourth Proportional to 9,335.20, 12,882.52 and 5,143.44

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Solution

The fourth proportional to 9,335.20, 12,882.52 and 5,143.44 is: 7,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.20 : 12,882.52 = 5,143.44 : x
  2. Step 2: Convert to fraction form
    9,335.20/12,882.52 = 5,143.44/x
  3. Step 3: Cross multiply
    9,335.20x = 12,882.52 × 5,143.44
  4. Step 4: Simplify right side
    9,335.20x = 66,260,468.67
  5. Step 5: Solve for x
    x = 66,260,468.67/9,335.20
  6. Step 6: Final answer
    x = 7,097.92

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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.