Home / 7,447.38-11,171.08-3,340.50

Finding the Fourth Proportional to 7,447.38, 11,171.08 and 3,340.50

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Solution

The fourth proportional to 7,447.38, 11,171.08 and 3,340.50 is: 5,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.38 : 11,171.08 = 3,340.50 : x
  2. Step 2: Convert to fraction form
    7,447.38/11,171.08 = 3,340.50/x
  3. Step 3: Cross multiply
    7,447.38x = 11,171.08 × 3,340.50
  4. Step 4: Simplify right side
    7,447.38x = 37,316,992.74
  5. Step 5: Solve for x
    x = 37,316,992.74/7,447.38
  6. Step 6: Final answer
    x = 5,010.75

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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.