Home / 7,377.69-11,060.52-3,431.43

Finding the Fourth Proportional to 7,377.69, 11,060.52 and 3,431.43

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Solution

The fourth proportional to 7,377.69, 11,060.52 and 3,431.43 is: 5,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.69 : 11,060.52 = 3,431.43 : x
  2. Step 2: Convert to fraction form
    7,377.69/11,060.52 = 3,431.43/x
  3. Step 3: Cross multiply
    7,377.69x = 11,060.52 × 3,431.43
  4. Step 4: Simplify right side
    7,377.69x = 37,953,400.14
  5. Step 5: Solve for x
    x = 37,953,400.14/7,377.69
  6. Step 6: Final answer
    x = 5,144.35

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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.