Home / 7,839.52-11,760.36-2,908.74

Finding the Fourth Proportional to 7,839.52, 11,760.36 and 2,908.74

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Solution

The fourth proportional to 7,839.52, 11,760.36 and 2,908.74 is: 4,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.52 : 11,760.36 = 2,908.74 : x
  2. Step 2: Convert to fraction form
    7,839.52/11,760.36 = 2,908.74/x
  3. Step 3: Cross multiply
    7,839.52x = 11,760.36 × 2,908.74
  4. Step 4: Simplify right side
    7,839.52x = 34,207,862.74
  5. Step 5: Solve for x
    x = 34,207,862.74/7,839.52
  6. Step 6: Final answer
    x = 4,363.52

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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.