Home / 8,151.30-12,227.97-2,307.90

Finding the Fourth Proportional to 8,151.30, 12,227.97 and 2,307.90

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Solution

The fourth proportional to 8,151.30, 12,227.97 and 2,307.90 is: 3,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.30 : 12,227.97 = 2,307.90 : x
  2. Step 2: Convert to fraction form
    8,151.30/12,227.97 = 2,307.90/x
  3. Step 3: Cross multiply
    8,151.30x = 12,227.97 × 2,307.90
  4. Step 4: Simplify right side
    8,151.30x = 28,220,931.96
  5. Step 5: Solve for x
    x = 28,220,931.96/8,151.30
  6. Step 6: Final answer
    x = 3,462.14

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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.