Home / 4,411.20-6,616.56-1,489.20

Finding the Fourth Proportional to 4,411.20, 6,616.56 and 1,489.20

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Solution

The fourth proportional to 4,411.20, 6,616.56 and 1,489.20 is: 2,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.20 : 6,616.56 = 1,489.20 : x
  2. Step 2: Convert to fraction form
    4,411.20/6,616.56 = 1,489.20/x
  3. Step 3: Cross multiply
    4,411.20x = 6,616.56 × 1,489.20
  4. Step 4: Simplify right side
    4,411.20x = 9,853,381.15
  5. Step 5: Solve for x
    x = 9,853,381.15/4,411.20
  6. Step 6: Final answer
    x = 2,233.72

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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.