Home / 6,617.12-9,131.05-3,632.95

Finding the Fourth Proportional to 6,617.12, 9,131.05 and 3,632.95

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Solution

The fourth proportional to 6,617.12, 9,131.05 and 3,632.95 is: 5,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.12 : 9,131.05 = 3,632.95 : x
  2. Step 2: Convert to fraction form
    6,617.12/9,131.05 = 3,632.95/x
  3. Step 3: Cross multiply
    6,617.12x = 9,131.05 × 3,632.95
  4. Step 4: Simplify right side
    6,617.12x = 33,172,648.10
  5. Step 5: Solve for x
    x = 33,172,648.10/6,617.12
  6. Step 6: Final answer
    x = 5,013.15

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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.