Home / 8,986.11-13,478.52-3,362.70

Finding the Fourth Proportional to 8,986.11, 13,478.52 and 3,362.70

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Solution

The fourth proportional to 8,986.11, 13,478.52 and 3,362.70 is: 5,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.11 : 13,478.52 = 3,362.70 : x
  2. Step 2: Convert to fraction form
    8,986.11/13,478.52 = 3,362.70/x
  3. Step 3: Cross multiply
    8,986.11x = 13,478.52 × 3,362.70
  4. Step 4: Simplify right side
    8,986.11x = 45,324,219.20
  5. Step 5: Solve for x
    x = 45,324,219.20/8,986.11
  6. Step 6: Final answer
    x = 5,043.81

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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.