Home / 7,687.07-11,530.67-2,492.94

Finding the Fourth Proportional to 7,687.07, 11,530.67 and 2,492.94

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Solution

The fourth proportional to 7,687.07, 11,530.67 and 2,492.94 is: 3,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.07 : 11,530.67 = 2,492.94 : x
  2. Step 2: Convert to fraction form
    7,687.07/11,530.67 = 2,492.94/x
  3. Step 3: Cross multiply
    7,687.07x = 11,530.67 × 2,492.94
  4. Step 4: Simplify right side
    7,687.07x = 28,745,268.47
  5. Step 5: Solve for x
    x = 28,745,268.47/7,687.07
  6. Step 6: Final answer
    x = 3,739.43

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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.