Home / 7,379.13-11,081.24-4,929.69

Finding the Fourth Proportional to 7,379.13, 11,081.24 and 4,929.69

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Solution

The fourth proportional to 7,379.13, 11,081.24 and 4,929.69 is: 7,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.13 : 11,081.24 = 4,929.69 : x
  2. Step 2: Convert to fraction form
    7,379.13/11,081.24 = 4,929.69/x
  3. Step 3: Cross multiply
    7,379.13x = 11,081.24 × 4,929.69
  4. Step 4: Simplify right side
    7,379.13x = 54,627,053.37
  5. Step 5: Solve for x
    x = 54,627,053.37/7,379.13
  6. Step 6: Final answer
    x = 7,402.91

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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.