Home / 4,930.47-7,379.82-2,587.19

Finding the Fourth Proportional to 4,930.47, 7,379.82 and 2,587.19

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Solution

The fourth proportional to 4,930.47, 7,379.82 and 2,587.19 is: 3,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.47 : 7,379.82 = 2,587.19 : x
  2. Step 2: Convert to fraction form
    4,930.47/7,379.82 = 2,587.19/x
  3. Step 3: Cross multiply
    4,930.47x = 7,379.82 × 2,587.19
  4. Step 4: Simplify right side
    4,930.47x = 19,092,959.61
  5. Step 5: Solve for x
    x = 19,092,959.61/4,930.47
  6. Step 6: Final answer
    x = 3,872.44

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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.