Home / 5,490.35-7,576.61-2,972.41

Finding the Fourth Proportional to 5,490.35, 7,576.61 and 2,972.41

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Solution

The fourth proportional to 5,490.35, 7,576.61 and 2,972.41 is: 4,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.35 : 7,576.61 = 2,972.41 : x
  2. Step 2: Convert to fraction form
    5,490.35/7,576.61 = 2,972.41/x
  3. Step 3: Cross multiply
    5,490.35x = 7,576.61 × 2,972.41
  4. Step 4: Simplify right side
    5,490.35x = 22,520,757.53
  5. Step 5: Solve for x
    x = 22,520,757.53/5,490.35
  6. Step 6: Final answer
    x = 4,101.88

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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.