Home / 6,617.56-9,131.94-3,633.40

Finding the Fourth Proportional to 6,617.56, 9,131.94 and 3,633.40

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Solution

The fourth proportional to 6,617.56, 9,131.94 and 3,633.40 is: 5,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.56 : 9,131.94 = 3,633.40 : x
  2. Step 2: Convert to fraction form
    6,617.56/9,131.94 = 3,633.40/x
  3. Step 3: Cross multiply
    6,617.56x = 9,131.94 × 3,633.40
  4. Step 4: Simplify right side
    6,617.56x = 33,179,990.80
  5. Step 5: Solve for x
    x = 33,179,990.80/6,617.56
  6. Step 6: Final answer
    x = 5,013.93

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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.