Home / 7,458.38-11,177.65-3,947.64

Finding the Fourth Proportional to 7,458.38, 11,177.65 and 3,947.64

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Solution

The fourth proportional to 7,458.38, 11,177.65 and 3,947.64 is: 5,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.38 : 11,177.65 = 3,947.64 : x
  2. Step 2: Convert to fraction form
    7,458.38/11,177.65 = 3,947.64/x
  3. Step 3: Cross multiply
    7,458.38x = 11,177.65 × 3,947.64
  4. Step 4: Simplify right side
    7,458.38x = 44,125,338.25
  5. Step 5: Solve for x
    x = 44,125,338.25/7,458.38
  6. Step 6: Final answer
    x = 5,916.21

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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.