Home / 5,489.38-7,576.56-3,790.26

Finding the Fourth Proportional to 5,489.38, 7,576.56 and 3,790.26

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Solution

The fourth proportional to 5,489.38, 7,576.56 and 3,790.26 is: 5,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.38 : 7,576.56 = 3,790.26 : x
  2. Step 2: Convert to fraction form
    5,489.38/7,576.56 = 3,790.26/x
  3. Step 3: Cross multiply
    5,489.38x = 7,576.56 × 3,790.26
  4. Step 4: Simplify right side
    5,489.38x = 28,717,132.31
  5. Step 5: Solve for x
    x = 28,717,132.31/5,489.38
  6. Step 6: Final answer
    x = 5,231.40

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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.