Home / 5,217.28-7,206.24-4,223.68

Finding the Fourth Proportional to 5,217.28, 7,206.24 and 4,223.68

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Solution

The fourth proportional to 5,217.28, 7,206.24 and 4,223.68 is: 5,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.28 : 7,206.24 = 4,223.68 : x
  2. Step 2: Convert to fraction form
    5,217.28/7,206.24 = 4,223.68/x
  3. Step 3: Cross multiply
    5,217.28x = 7,206.24 × 4,223.68
  4. Step 4: Simplify right side
    5,217.28x = 30,436,851.76
  5. Step 5: Solve for x
    x = 30,436,851.76/5,217.28
  6. Step 6: Final answer
    x = 5,833.85

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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.