Home / 7,853.43-11,781.88-2,588.23

Finding the Fourth Proportional to 7,853.43, 11,781.88 and 2,588.23

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Solution

The fourth proportional to 7,853.43, 11,781.88 and 2,588.23 is: 3,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.43 : 11,781.88 = 2,588.23 : x
  2. Step 2: Convert to fraction form
    7,853.43/11,781.88 = 2,588.23/x
  3. Step 3: Cross multiply
    7,853.43x = 11,781.88 × 2,588.23
  4. Step 4: Simplify right side
    7,853.43x = 30,494,215.27
  5. Step 5: Solve for x
    x = 30,494,215.27/7,853.43
  6. Step 6: Final answer
    x = 3,882.92

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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.