Home / 7,836.13-11,754.80-2,642

Finding the Fourth Proportional to 7,836.13, 11,754.80 and 2,642

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Solution

The fourth proportional to 7,836.13, 11,754.80 and 2,642 is: 3,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.13 : 11,754.80 = 2,642 : x
  2. Step 2: Convert to fraction form
    7,836.13/11,754.80 = 2,642/x
  3. Step 3: Cross multiply
    7,836.13x = 11,754.80 × 2,642
  4. Step 4: Simplify right side
    7,836.13x = 31,056,181.60
  5. Step 5: Solve for x
    x = 31,056,181.60/7,836.13
  6. Step 6: Final answer
    x = 3,963.20

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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.