Home / 7,337.11-11,005.18-2,142.55

Finding the Fourth Proportional to 7,337.11, 11,005.18 and 2,142.55

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Solution

The fourth proportional to 7,337.11, 11,005.18 and 2,142.55 is: 3,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.11 : 11,005.18 = 2,142.55 : x
  2. Step 2: Convert to fraction form
    7,337.11/11,005.18 = 2,142.55/x
  3. Step 3: Cross multiply
    7,337.11x = 11,005.18 × 2,142.55
  4. Step 4: Simplify right side
    7,337.11x = 23,579,148.41
  5. Step 5: Solve for x
    x = 23,579,148.41/7,337.11
  6. Step 6: Final answer
    x = 3,213.68

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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.