Home / 8,879.14-13,299.61-4,192.14

Finding the Fourth Proportional to 8,879.14, 13,299.61 and 4,192.14

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Solution

The fourth proportional to 8,879.14, 13,299.61 and 4,192.14 is: 6,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.14 : 13,299.61 = 4,192.14 : x
  2. Step 2: Convert to fraction form
    8,879.14/13,299.61 = 4,192.14/x
  3. Step 3: Cross multiply
    8,879.14x = 13,299.61 × 4,192.14
  4. Step 4: Simplify right side
    8,879.14x = 55,753,827.07
  5. Step 5: Solve for x
    x = 55,753,827.07/8,879.14
  6. Step 6: Final answer
    x = 6,279.19

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1.5x scale

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.