Home / 7,327.19-10,981.77-4,167.28

Finding the Fourth Proportional to 7,327.19, 10,981.77 and 4,167.28

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Solution

The fourth proportional to 7,327.19, 10,981.77 and 4,167.28 is: 6,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.19 : 10,981.77 = 4,167.28 : x
  2. Step 2: Convert to fraction form
    7,327.19/10,981.77 = 4,167.28/x
  3. Step 3: Cross multiply
    7,327.19x = 10,981.77 × 4,167.28
  4. Step 4: Simplify right side
    7,327.19x = 45,764,116.40
  5. Step 5: Solve for x
    x = 45,764,116.40/7,327.19
  6. Step 6: Final answer
    x = 6,245.79

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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.