Home / 4,930.39-7,397.75-2,589.85

Finding the Fourth Proportional to 4,930.39, 7,397.75 and 2,589.85

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Solution

The fourth proportional to 4,930.39, 7,397.75 and 2,589.85 is: 3,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.39 : 7,397.75 = 2,589.85 : x
  2. Step 2: Convert to fraction form
    4,930.39/7,397.75 = 2,589.85/x
  3. Step 3: Cross multiply
    4,930.39x = 7,397.75 × 2,589.85
  4. Step 4: Simplify right side
    4,930.39x = 19,159,062.84
  5. Step 5: Solve for x
    x = 19,159,062.84/4,930.39
  6. Step 6: Final answer
    x = 3,885.91

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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.