Home / 7,725.57-11,585.67-2,726.65

Finding the Fourth Proportional to 7,725.57, 11,585.67 and 2,726.65

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Solution

The fourth proportional to 7,725.57, 11,585.67 and 2,726.65 is: 4,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.57 : 11,585.67 = 2,726.65 : x
  2. Step 2: Convert to fraction form
    7,725.57/11,585.67 = 2,726.65/x
  3. Step 3: Cross multiply
    7,725.57x = 11,585.67 × 2,726.65
  4. Step 4: Simplify right side
    7,725.57x = 31,590,067.11
  5. Step 5: Solve for x
    x = 31,590,067.11/7,725.57
  6. Step 6: Final answer
    x = 4,089.03

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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.