Home / 5,517.60-8,275.92-1,622.28

Finding the Fourth Proportional to 5,517.60, 8,275.92 and 1,622.28

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Solution

The fourth proportional to 5,517.60, 8,275.92 and 1,622.28 is: 2,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.60 : 8,275.92 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    5,517.60/8,275.92 = 1,622.28/x
  3. Step 3: Cross multiply
    5,517.60x = 8,275.92 × 1,622.28
  4. Step 4: Simplify right side
    5,517.60x = 13,425,859.50
  5. Step 5: Solve for x
    x = 13,425,859.50/5,517.60
  6. Step 6: Final answer
    x = 2,433.28

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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.