Home / 7,882.20-11,821.14-2,951.46

Finding the Fourth Proportional to 7,882.20, 11,821.14 and 2,951.46

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Solution

The fourth proportional to 7,882.20, 11,821.14 and 2,951.46 is: 4,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.20 : 11,821.14 = 2,951.46 : x
  2. Step 2: Convert to fraction form
    7,882.20/11,821.14 = 2,951.46/x
  3. Step 3: Cross multiply
    7,882.20x = 11,821.14 × 2,951.46
  4. Step 4: Simplify right side
    7,882.20x = 34,889,621.86
  5. Step 5: Solve for x
    x = 34,889,621.86/7,882.20
  6. Step 6: Final answer
    x = 4,426.38

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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.