Home / 9,618.38-13,273.56-5,426.62

Finding the Fourth Proportional to 9,618.38, 13,273.56 and 5,426.62

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Solution

The fourth proportional to 9,618.38, 13,273.56 and 5,426.62 is: 7,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.38 : 13,273.56 = 5,426.62 : x
  2. Step 2: Convert to fraction form
    9,618.38/13,273.56 = 5,426.62/x
  3. Step 3: Cross multiply
    9,618.38x = 13,273.56 × 5,426.62
  4. Step 4: Simplify right side
    9,618.38x = 72,030,566.17
  5. Step 5: Solve for x
    x = 72,030,566.17/9,618.38
  6. Step 6: Final answer
    x = 7,488.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.