Home / 7,853.88-11,780.04-2,588.73

Finding the Fourth Proportional to 7,853.88, 11,780.04 and 2,588.73

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Solution

The fourth proportional to 7,853.88, 11,780.04 and 2,588.73 is: 3,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.88 : 11,780.04 = 2,588.73 : x
  2. Step 2: Convert to fraction form
    7,853.88/11,780.04 = 2,588.73/x
  3. Step 3: Cross multiply
    7,853.88x = 11,780.04 × 2,588.73
  4. Step 4: Simplify right side
    7,853.88x = 30,495,342.95
  5. Step 5: Solve for x
    x = 30,495,342.95/7,853.88
  6. Step 6: Final answer
    x = 3,882.84

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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.