Home / 7,881.68-11,822.49-2,335.06

Finding the Fourth Proportional to 7,881.68, 11,822.49 and 2,335.06

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Solution

The fourth proportional to 7,881.68, 11,822.49 and 2,335.06 is: 3,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.68 : 11,822.49 = 2,335.06 : x
  2. Step 2: Convert to fraction form
    7,881.68/11,822.49 = 2,335.06/x
  3. Step 3: Cross multiply
    7,881.68x = 11,822.49 × 2,335.06
  4. Step 4: Simplify right side
    7,881.68x = 27,606,238.28
  5. Step 5: Solve for x
    x = 27,606,238.28/7,881.68
  6. Step 6: Final answer
    x = 3,502.58

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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.