Home / 8,964.28-13,447.98-3,769.72

Finding the Fourth Proportional to 8,964.28, 13,447.98 and 3,769.72

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Solution

The fourth proportional to 8,964.28, 13,447.98 and 3,769.72 is: 5,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.28 : 13,447.98 = 3,769.72 : x
  2. Step 2: Convert to fraction form
    8,964.28/13,447.98 = 3,769.72/x
  3. Step 3: Cross multiply
    8,964.28x = 13,447.98 × 3,769.72
  4. Step 4: Simplify right side
    8,964.28x = 50,695,119.17
  5. Step 5: Solve for x
    x = 50,695,119.17/8,964.28
  6. Step 6: Final answer
    x = 5,655.24

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1.5x scale

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.