Home / 7,433.28-11,151.72-2,238.84

Finding the Fourth Proportional to 7,433.28, 11,151.72 and 2,238.84

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Solution

The fourth proportional to 7,433.28, 11,151.72 and 2,238.84 is: 3,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.28 : 11,151.72 = 2,238.84 : x
  2. Step 2: Convert to fraction form
    7,433.28/11,151.72 = 2,238.84/x
  3. Step 3: Cross multiply
    7,433.28x = 11,151.72 × 2,238.84
  4. Step 4: Simplify right side
    7,433.28x = 24,966,916.80
  5. Step 5: Solve for x
    x = 24,966,916.80/7,433.28
  6. Step 6: Final answer
    x = 3,358.80

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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.