Home / 7,617.19-11,425.09-2,686.57

Finding the Fourth Proportional to 7,617.19, 11,425.09 and 2,686.57

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Solution

The fourth proportional to 7,617.19, 11,425.09 and 2,686.57 is: 4,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.19 : 11,425.09 = 2,686.57 : x
  2. Step 2: Convert to fraction form
    7,617.19/11,425.09 = 2,686.57/x
  3. Step 3: Cross multiply
    7,617.19x = 11,425.09 × 2,686.57
  4. Step 4: Simplify right side
    7,617.19x = 30,694,304.04
  5. Step 5: Solve for x
    x = 30,694,304.04/7,617.19
  6. Step 6: Final answer
    x = 4,029.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.