Home / 7,686.08-11,523.72-2,687.24

Finding the Fourth Proportional to 7,686.08, 11,523.72 and 2,687.24

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Solution

The fourth proportional to 7,686.08, 11,523.72 and 2,687.24 is: 4,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.08 : 11,523.72 = 2,687.24 : x
  2. Step 2: Convert to fraction form
    7,686.08/11,523.72 = 2,687.24/x
  3. Step 3: Cross multiply
    7,686.08x = 11,523.72 × 2,687.24
  4. Step 4: Simplify right side
    7,686.08x = 30,967,001.33
  5. Step 5: Solve for x
    x = 30,967,001.33/7,686.08
  6. Step 6: Final answer
    x = 4,028.97

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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.