Home / 8,725.72-13,089.10-2,882.38

Finding the Fourth Proportional to 8,725.72, 13,089.10 and 2,882.38

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Solution

The fourth proportional to 8,725.72, 13,089.10 and 2,882.38 is: 4,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.72 : 13,089.10 = 2,882.38 : x
  2. Step 2: Convert to fraction form
    8,725.72/13,089.10 = 2,882.38/x
  3. Step 3: Cross multiply
    8,725.72x = 13,089.10 × 2,882.38
  4. Step 4: Simplify right side
    8,725.72x = 37,727,760.06
  5. Step 5: Solve for x
    x = 37,727,760.06/8,725.72
  6. Step 6: Final answer
    x = 4,323.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.