Home / 7,279.86-10,917.90-2,084.52

Finding the Fourth Proportional to 7,279.86, 10,917.90 and 2,084.52

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Solution

The fourth proportional to 7,279.86, 10,917.90 and 2,084.52 is: 3,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.86 : 10,917.90 = 2,084.52 : x
  2. Step 2: Convert to fraction form
    7,279.86/10,917.90 = 2,084.52/x
  3. Step 3: Cross multiply
    7,279.86x = 10,917.90 × 2,084.52
  4. Step 4: Simplify right side
    7,279.86x = 22,758,580.91
  5. Step 5: Solve for x
    x = 22,758,580.91/7,279.86
  6. Step 6: Final answer
    x = 3,126.24

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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.