Home / 5,490.17-8,229.35-2,371.64

Finding the Fourth Proportional to 5,490.17, 8,229.35 and 2,371.64

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Solution

The fourth proportional to 5,490.17, 8,229.35 and 2,371.64 is: 3,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.17 : 8,229.35 = 2,371.64 : x
  2. Step 2: Convert to fraction form
    5,490.17/8,229.35 = 2,371.64/x
  3. Step 3: Cross multiply
    5,490.17x = 8,229.35 × 2,371.64
  4. Step 4: Simplify right side
    5,490.17x = 19,517,055.63
  5. Step 5: Solve for x
    x = 19,517,055.63/5,490.17
  6. Step 6: Final answer
    x = 3,554.91

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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.