Home / 9,335.50-12,882.99-5,144.02

Finding the Fourth Proportional to 9,335.50, 12,882.99 and 5,144.02

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Solution

The fourth proportional to 9,335.50, 12,882.99 and 5,144.02 is: 7,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.50 : 12,882.99 = 5,144.02 : x
  2. Step 2: Convert to fraction form
    9,335.50/12,882.99 = 5,144.02/x
  3. Step 3: Cross multiply
    9,335.50x = 12,882.99 × 5,144.02
  4. Step 4: Simplify right side
    9,335.50x = 66,270,358.22
  5. Step 5: Solve for x
    x = 66,270,358.22/9,335.50
  6. Step 6: Final answer
    x = 7,098.75

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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.