Home / 9,439.28-13,025.84-5,247.80

Finding the Fourth Proportional to 9,439.28, 13,025.84 and 5,247.80

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Solution

The fourth proportional to 9,439.28, 13,025.84 and 5,247.80 is: 7,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.28 : 13,025.84 = 5,247.80 : x
  2. Step 2: Convert to fraction form
    9,439.28/13,025.84 = 5,247.80/x
  3. Step 3: Cross multiply
    9,439.28x = 13,025.84 × 5,247.80
  4. Step 4: Simplify right side
    9,439.28x = 68,357,003.15
  5. Step 5: Solve for x
    x = 68,357,003.15/9,439.28
  6. Step 6: Final answer
    x = 7,241.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.