Home / 5,490.10-8,229.24-2,371.57

Finding the Fourth Proportional to 5,490.10, 8,229.24 and 2,371.57

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Solution

The fourth proportional to 5,490.10, 8,229.24 and 2,371.57 is: 3,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.10 : 8,229.24 = 2,371.57 : x
  2. Step 2: Convert to fraction form
    5,490.10/8,229.24 = 2,371.57/x
  3. Step 3: Cross multiply
    5,490.10x = 8,229.24 × 2,371.57
  4. Step 4: Simplify right side
    5,490.10x = 19,516,218.71
  5. Step 5: Solve for x
    x = 19,516,218.71/5,490.10
  6. Step 6: Final answer
    x = 3,554.80

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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.