Home / 7,853.33-11,781.46-2,588.72

Finding the Fourth Proportional to 7,853.33, 11,781.46 and 2,588.72

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Solution

The fourth proportional to 7,853.33, 11,781.46 and 2,588.72 is: 3,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.33 : 11,781.46 = 2,588.72 : x
  2. Step 2: Convert to fraction form
    7,853.33/11,781.46 = 2,588.72/x
  3. Step 3: Cross multiply
    7,853.33x = 11,781.46 × 2,588.72
  4. Step 4: Simplify right side
    7,853.33x = 30,498,845.46
  5. Step 5: Solve for x
    x = 30,498,845.46/7,853.33
  6. Step 6: Final answer
    x = 3,883.55

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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.