Home / 9,517.86-14,279.40-3,973.80

Finding the Fourth Proportional to 9,517.86, 14,279.40 and 3,973.80

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Solution

The fourth proportional to 9,517.86, 14,279.40 and 3,973.80 is: 5,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.86 : 14,279.40 = 3,973.80 : x
  2. Step 2: Convert to fraction form
    9,517.86/14,279.40 = 3,973.80/x
  3. Step 3: Cross multiply
    9,517.86x = 14,279.40 × 3,973.80
  4. Step 4: Simplify right side
    9,517.86x = 56,743,479.72
  5. Step 5: Solve for x
    x = 56,743,479.72/9,517.86
  6. Step 6: Final answer
    x = 5,961.79

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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.