Home / 5,517.15-7,612.46-3,279.77

Finding the Fourth Proportional to 5,517.15, 7,612.46 and 3,279.77

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Solution

The fourth proportional to 5,517.15, 7,612.46 and 3,279.77 is: 4,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.15 : 7,612.46 = 3,279.77 : x
  2. Step 2: Convert to fraction form
    5,517.15/7,612.46 = 3,279.77/x
  3. Step 3: Cross multiply
    5,517.15x = 7,612.46 × 3,279.77
  4. Step 4: Simplify right side
    5,517.15x = 24,967,117.93
  5. Step 5: Solve for x
    x = 24,967,117.93/5,517.15
  6. Step 6: Final answer
    x = 4,525.37

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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.