Home / 5,487.78-8,229.15-2,366.29

Finding the Fourth Proportional to 5,487.78, 8,229.15 and 2,366.29

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Solution

The fourth proportional to 5,487.78, 8,229.15 and 2,366.29 is: 3,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.78 : 8,229.15 = 2,366.29 : x
  2. Step 2: Convert to fraction form
    5,487.78/8,229.15 = 2,366.29/x
  3. Step 3: Cross multiply
    5,487.78x = 8,229.15 × 2,366.29
  4. Step 4: Simplify right side
    5,487.78x = 19,472,555.35
  5. Step 5: Solve for x
    x = 19,472,555.35/5,487.78
  6. Step 6: Final answer
    x = 3,548.35

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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.