Home / 6,617.80-9,132.24-3,785.03

Finding the Fourth Proportional to 6,617.80, 9,132.24 and 3,785.03

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Solution

The fourth proportional to 6,617.80, 9,132.24 and 3,785.03 is: 5,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.80 : 9,132.24 = 3,785.03 : x
  2. Step 2: Convert to fraction form
    6,617.80/9,132.24 = 3,785.03/x
  3. Step 3: Cross multiply
    6,617.80x = 9,132.24 × 3,785.03
  4. Step 4: Simplify right side
    6,617.80x = 34,565,805.15
  5. Step 5: Solve for x
    x = 34,565,805.15/6,617.80
  6. Step 6: Final answer
    x = 5,223.16

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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.