Home / 8,684.32-13,026.76-2,679.92

Finding the Fourth Proportional to 8,684.32, 13,026.76 and 2,679.92

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Solution

The fourth proportional to 8,684.32, 13,026.76 and 2,679.92 is: 4,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.32 : 13,026.76 = 2,679.92 : x
  2. Step 2: Convert to fraction form
    8,684.32/13,026.76 = 2,679.92/x
  3. Step 3: Cross multiply
    8,684.32x = 13,026.76 × 2,679.92
  4. Step 4: Simplify right side
    8,684.32x = 34,910,674.66
  5. Step 5: Solve for x
    x = 34,910,674.66/8,684.32
  6. Step 6: Final answer
    x = 4,019.97

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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.