Home / 7,918.32-11,879.10-2,723.52

Finding the Fourth Proportional to 7,918.32, 11,879.10 and 2,723.52

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Solution

The fourth proportional to 7,918.32, 11,879.10 and 2,723.52 is: 4,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.32 : 11,879.10 = 2,723.52 : x
  2. Step 2: Convert to fraction form
    7,918.32/11,879.10 = 2,723.52/x
  3. Step 3: Cross multiply
    7,918.32x = 11,879.10 × 2,723.52
  4. Step 4: Simplify right side
    7,918.32x = 32,352,966.43
  5. Step 5: Solve for x
    x = 32,352,966.43/7,918.32
  6. Step 6: Final answer
    x = 4,085.84

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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.