Home / 7,687.08-11,530.80-2,754.24

Finding the Fourth Proportional to 7,687.08, 11,530.80 and 2,754.24

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Solution

The fourth proportional to 7,687.08, 11,530.80 and 2,754.24 is: 4,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.08 : 11,530.80 = 2,754.24 : x
  2. Step 2: Convert to fraction form
    7,687.08/11,530.80 = 2,754.24/x
  3. Step 3: Cross multiply
    7,687.08x = 11,530.80 × 2,754.24
  4. Step 4: Simplify right side
    7,687.08x = 31,758,590.59
  5. Step 5: Solve for x
    x = 31,758,590.59/7,687.08
  6. Step 6: Final answer
    x = 4,131.42

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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.