Home / 7,151.03-10,709.24-3,631.79

Finding the Fourth Proportional to 7,151.03, 10,709.24 and 3,631.79

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Solution

The fourth proportional to 7,151.03, 10,709.24 and 3,631.79 is: 5,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.03 : 10,709.24 = 3,631.79 : x
  2. Step 2: Convert to fraction form
    7,151.03/10,709.24 = 3,631.79/x
  3. Step 3: Cross multiply
    7,151.03x = 10,709.24 × 3,631.79
  4. Step 4: Simplify right side
    7,151.03x = 38,893,669.33
  5. Step 5: Solve for x
    x = 38,893,669.33/7,151.03
  6. Step 6: Final answer
    x = 5,438.89

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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.