Home / 5,490.79-8,230.28-2,372.27

Finding the Fourth Proportional to 5,490.79, 8,230.28 and 2,372.27

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Solution

The fourth proportional to 5,490.79, 8,230.28 and 2,372.27 is: 3,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.79 : 8,230.28 = 2,372.27 : x
  2. Step 2: Convert to fraction form
    5,490.79/8,230.28 = 2,372.27/x
  3. Step 3: Cross multiply
    5,490.79x = 8,230.28 × 2,372.27
  4. Step 4: Simplify right side
    5,490.79x = 19,524,439.62
  5. Step 5: Solve for x
    x = 19,524,439.62/5,490.79
  6. Step 6: Final answer
    x = 3,555.85

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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.