Home / 5,612.31-7,744.68-3,222.40

Finding the Fourth Proportional to 5,612.31, 7,744.68 and 3,222.40

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Solution

The fourth proportional to 5,612.31, 7,744.68 and 3,222.40 is: 4,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.31 : 7,744.68 = 3,222.40 : x
  2. Step 2: Convert to fraction form
    5,612.31/7,744.68 = 3,222.40/x
  3. Step 3: Cross multiply
    5,612.31x = 7,744.68 × 3,222.40
  4. Step 4: Simplify right side
    5,612.31x = 24,956,456.83
  5. Step 5: Solve for x
    x = 24,956,456.83/5,612.31
  6. Step 6: Final answer
    x = 4,446.74

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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.