Home / 9,811.20-14,722.89-3,967.86

Finding the Fourth Proportional to 9,811.20, 14,722.89 and 3,967.86

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Solution

The fourth proportional to 9,811.20, 14,722.89 and 3,967.86 is: 5,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.20 : 14,722.89 = 3,967.86 : x
  2. Step 2: Convert to fraction form
    9,811.20/14,722.89 = 3,967.86/x
  3. Step 3: Cross multiply
    9,811.20x = 14,722.89 × 3,967.86
  4. Step 4: Simplify right side
    9,811.20x = 58,418,366.32
  5. Step 5: Solve for x
    x = 58,418,366.32/9,811.20
  6. Step 6: Final answer
    x = 5,954.25

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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.