Home / 7,105.52-10,658.35-2,721.94

Finding the Fourth Proportional to 7,105.52, 10,658.35 and 2,721.94

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Solution

The fourth proportional to 7,105.52, 10,658.35 and 2,721.94 is: 4,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.52 : 10,658.35 = 2,721.94 : x
  2. Step 2: Convert to fraction form
    7,105.52/10,658.35 = 2,721.94/x
  3. Step 3: Cross multiply
    7,105.52x = 10,658.35 × 2,721.94
  4. Step 4: Simplify right side
    7,105.52x = 29,011,365.96
  5. Step 5: Solve for x
    x = 29,011,365.96/7,105.52
  6. Step 6: Final answer
    x = 4,082.93

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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.