Home / 7,836.42-11,754.27-2,642.25

Finding the Fourth Proportional to 7,836.42, 11,754.27 and 2,642.25

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Solution

The fourth proportional to 7,836.42, 11,754.27 and 2,642.25 is: 3,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.42 : 11,754.27 = 2,642.25 : x
  2. Step 2: Convert to fraction form
    7,836.42/11,754.27 = 2,642.25/x
  3. Step 3: Cross multiply
    7,836.42x = 11,754.27 × 2,642.25
  4. Step 4: Simplify right side
    7,836.42x = 31,057,719.91
  5. Step 5: Solve for x
    x = 31,057,719.91/7,836.42
  6. Step 6: Final answer
    x = 3,963.25

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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.