Home / 5,490.69-7,576.85-3,252.78

Finding the Fourth Proportional to 5,490.69, 7,576.85 and 3,252.78

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Solution

The fourth proportional to 5,490.69, 7,576.85 and 3,252.78 is: 4,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.69 : 7,576.85 = 3,252.78 : x
  2. Step 2: Convert to fraction form
    5,490.69/7,576.85 = 3,252.78/x
  3. Step 3: Cross multiply
    5,490.69x = 7,576.85 × 3,252.78
  4. Step 4: Simplify right side
    5,490.69x = 24,645,809.88
  5. Step 5: Solve for x
    x = 24,645,809.88/5,490.69
  6. Step 6: Final answer
    x = 4,488.65

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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.