Home / 5,490.79-7,576.61-3,252.15

Finding the Fourth Proportional to 5,490.79, 7,576.61 and 3,252.15

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Solution

The fourth proportional to 5,490.79, 7,576.61 and 3,252.15 is: 4,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.79 : 7,576.61 = 3,252.15 : x
  2. Step 2: Convert to fraction form
    5,490.79/7,576.61 = 3,252.15/x
  3. Step 3: Cross multiply
    5,490.79x = 7,576.61 × 3,252.15
  4. Step 4: Simplify right side
    5,490.79x = 24,640,255.95
  5. Step 5: Solve for x
    x = 24,640,255.95/5,490.79
  6. Step 6: Final answer
    x = 4,487.56

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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.