Home / 7,217.60-10,825.92-2,838.56

Finding the Fourth Proportional to 7,217.60, 10,825.92 and 2,838.56

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Solution

The fourth proportional to 7,217.60, 10,825.92 and 2,838.56 is: 4,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.60 : 10,825.92 = 2,838.56 : x
  2. Step 2: Convert to fraction form
    7,217.60/10,825.92 = 2,838.56/x
  3. Step 3: Cross multiply
    7,217.60x = 10,825.92 × 2,838.56
  4. Step 4: Simplify right side
    7,217.60x = 30,730,023.48
  5. Step 5: Solve for x
    x = 30,730,023.48/7,217.60
  6. Step 6: Final answer
    x = 4,257.65

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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.