Home / 8,964.28-13,447.20-2,390.50

Finding the Fourth Proportional to 8,964.28, 13,447.20 and 2,390.50

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Solution

The fourth proportional to 8,964.28, 13,447.20 and 2,390.50 is: 3,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.28 : 13,447.20 = 2,390.50 : x
  2. Step 2: Convert to fraction form
    8,964.28/13,447.20 = 2,390.50/x
  3. Step 3: Cross multiply
    8,964.28x = 13,447.20 × 2,390.50
  4. Step 4: Simplify right side
    8,964.28x = 32,145,531.60
  5. Step 5: Solve for x
    x = 32,145,531.60/8,964.28
  6. Step 6: Final answer
    x = 3,585.96

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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.