Home / 5,489.96-7,576.86-3,132.56

Finding the Fourth Proportional to 5,489.96, 7,576.86 and 3,132.56

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Solution

The fourth proportional to 5,489.96, 7,576.86 and 3,132.56 is: 4,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.96 : 7,576.86 = 3,132.56 : x
  2. Step 2: Convert to fraction form
    5,489.96/7,576.86 = 3,132.56/x
  3. Step 3: Cross multiply
    5,489.96x = 7,576.86 × 3,132.56
  4. Step 4: Simplify right side
    5,489.96x = 23,734,968.56
  5. Step 5: Solve for x
    x = 23,734,968.56/5,489.96
  6. Step 6: Final answer
    x = 4,323.34

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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.