Home / 7,342.08-11,013.75-2,077.11

Finding the Fourth Proportional to 7,342.08, 11,013.75 and 2,077.11

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Solution

The fourth proportional to 7,342.08, 11,013.75 and 2,077.11 is: 3,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.08 : 11,013.75 = 2,077.11 : x
  2. Step 2: Convert to fraction form
    7,342.08/11,013.75 = 2,077.11/x
  3. Step 3: Cross multiply
    7,342.08x = 11,013.75 × 2,077.11
  4. Step 4: Simplify right side
    7,342.08x = 22,876,770.26
  5. Step 5: Solve for x
    x = 22,876,770.26/7,342.08
  6. Step 6: Final answer
    x = 3,115.84

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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.