Home / 5,490.12-7,576.38-3,006.12

Finding the Fourth Proportional to 5,490.12, 7,576.38 and 3,006.12

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Solution

The fourth proportional to 5,490.12, 7,576.38 and 3,006.12 is: 4,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.12 : 7,576.38 = 3,006.12 : x
  2. Step 2: Convert to fraction form
    5,490.12/7,576.38 = 3,006.12/x
  3. Step 3: Cross multiply
    5,490.12x = 7,576.38 × 3,006.12
  4. Step 4: Simplify right side
    5,490.12x = 22,775,507.45
  5. Step 5: Solve for x
    x = 22,775,507.45/5,490.12
  6. Step 6: Final answer
    x = 4,148.45

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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.