Home / 9,158.82-13,737.46-2,918.58

Finding the Fourth Proportional to 9,158.82, 13,737.46 and 2,918.58

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Solution

The fourth proportional to 9,158.82, 13,737.46 and 2,918.58 is: 4,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.82 : 13,737.46 = 2,918.58 : x
  2. Step 2: Convert to fraction form
    9,158.82/13,737.46 = 2,918.58/x
  3. Step 3: Cross multiply
    9,158.82x = 13,737.46 × 2,918.58
  4. Step 4: Simplify right side
    9,158.82x = 40,093,876.01
  5. Step 5: Solve for x
    x = 40,093,876.01/9,158.82
  6. Step 6: Final answer
    x = 4,377.62

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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.