Home / 5,612.27-7,744.68-3,220.58

Finding the Fourth Proportional to 5,612.27, 7,744.68 and 3,220.58

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Solution

The fourth proportional to 5,612.27, 7,744.68 and 3,220.58 is: 4,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.27 : 7,744.68 = 3,220.58 : x
  2. Step 2: Convert to fraction form
    5,612.27/7,744.68 = 3,220.58/x
  3. Step 3: Cross multiply
    5,612.27x = 7,744.68 × 3,220.58
  4. Step 4: Simplify right side
    5,612.27x = 24,942,380.88
  5. Step 5: Solve for x
    x = 24,942,380.88/5,612.27
  6. Step 6: Final answer
    x = 4,444.26

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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.