Home / 8,947.28-13,419.08-3,101.92

Finding the Fourth Proportional to 8,947.28, 13,419.08 and 3,101.92

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Solution

The fourth proportional to 8,947.28, 13,419.08 and 3,101.92 is: 4,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.28 : 13,419.08 = 3,101.92 : x
  2. Step 2: Convert to fraction form
    8,947.28/13,419.08 = 3,101.92/x
  3. Step 3: Cross multiply
    8,947.28x = 13,419.08 × 3,101.92
  4. Step 4: Simplify right side
    8,947.28x = 41,624,912.63
  5. Step 5: Solve for x
    x = 41,624,912.63/8,947.28
  6. Step 6: Final answer
    x = 4,652.24

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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.