Home / 6,617.75-9,132.19-3,633.53

Finding the Fourth Proportional to 6,617.75, 9,132.19 and 3,633.53

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Solution

The fourth proportional to 6,617.75, 9,132.19 and 3,633.53 is: 5,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.75 : 9,132.19 = 3,633.53 : x
  2. Step 2: Convert to fraction form
    6,617.75/9,132.19 = 3,633.53/x
  3. Step 3: Cross multiply
    6,617.75x = 9,132.19 × 3,633.53
  4. Step 4: Simplify right side
    6,617.75x = 33,182,031.59
  5. Step 5: Solve for x
    x = 33,182,031.59/6,617.75
  6. Step 6: Final answer
    x = 5,014.10

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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.