Home / 7,939.12-10,951.14-6,257.92

Finding the Fourth Proportional to 7,939.12, 10,951.14 and 6,257.92

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Solution

The fourth proportional to 7,939.12, 10,951.14 and 6,257.92 is: 8,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.12 : 10,951.14 = 6,257.92 : x
  2. Step 2: Convert to fraction form
    7,939.12/10,951.14 = 6,257.92/x
  3. Step 3: Cross multiply
    7,939.12x = 10,951.14 × 6,257.92
  4. Step 4: Simplify right side
    7,939.12x = 68,531,358.03
  5. Step 5: Solve for x
    x = 68,531,358.03/7,939.12
  6. Step 6: Final answer
    x = 8,632.11

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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.