Home / 7,842.24-11,755.94-2,908.53

Finding the Fourth Proportional to 7,842.24, 11,755.94 and 2,908.53

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Solution

The fourth proportional to 7,842.24, 11,755.94 and 2,908.53 is: 4,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.24 : 11,755.94 = 2,908.53 : x
  2. Step 2: Convert to fraction form
    7,842.24/11,755.94 = 2,908.53/x
  3. Step 3: Cross multiply
    7,842.24x = 11,755.94 × 2,908.53
  4. Step 4: Simplify right side
    7,842.24x = 34,192,489.63
  5. Step 5: Solve for x
    x = 34,192,489.63/7,842.24
  6. Step 6: Final answer
    x = 4,360.04

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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.