Home / 8,514-11,750.40-4,788.72

Finding the Fourth Proportional to 8,514, 11,750.40 and 4,788.72

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Solution

The fourth proportional to 8,514, 11,750.40 and 4,788.72 is: 6,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514 : 11,750.40 = 4,788.72 : x
  2. Step 2: Convert to fraction form
    8,514/11,750.40 = 4,788.72/x
  3. Step 3: Cross multiply
    8,514x = 11,750.40 × 4,788.72
  4. Step 4: Simplify right side
    8,514x = 56,269,375.49
  5. Step 5: Solve for x
    x = 56,269,375.49/8,514
  6. Step 6: Final answer
    x = 6,609.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.