Home / 6,122.79-9,178.11-2,422.71

Finding the Fourth Proportional to 6,122.79, 9,178.11 and 2,422.71

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Solution

The fourth proportional to 6,122.79, 9,178.11 and 2,422.71 is: 3,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.79 : 9,178.11 = 2,422.71 : x
  2. Step 2: Convert to fraction form
    6,122.79/9,178.11 = 2,422.71/x
  3. Step 3: Cross multiply
    6,122.79x = 9,178.11 × 2,422.71
  4. Step 4: Simplify right side
    6,122.79x = 22,235,898.88
  5. Step 5: Solve for x
    x = 22,235,898.88/6,122.79
  6. Step 6: Final answer
    x = 3,631.66

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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.