Home / 5,318.28-7,339.17-3,222.36

Finding the Fourth Proportional to 5,318.28, 7,339.17 and 3,222.36

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Solution

The fourth proportional to 5,318.28, 7,339.17 and 3,222.36 is: 4,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.28 : 7,339.17 = 3,222.36 : x
  2. Step 2: Convert to fraction form
    5,318.28/7,339.17 = 3,222.36/x
  3. Step 3: Cross multiply
    5,318.28x = 7,339.17 × 3,222.36
  4. Step 4: Simplify right side
    5,318.28x = 23,649,447.84
  5. Step 5: Solve for x
    x = 23,649,447.84/5,318.28
  6. Step 6: Final answer
    x = 4,446.82

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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.