Home / 7,857.60-11,788.92-3,473.52

Finding the Fourth Proportional to 7,857.60, 11,788.92 and 3,473.52

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Solution

The fourth proportional to 7,857.60, 11,788.92 and 3,473.52 is: 5,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.60 : 11,788.92 = 3,473.52 : x
  2. Step 2: Convert to fraction form
    7,857.60/11,788.92 = 3,473.52/x
  3. Step 3: Cross multiply
    7,857.60x = 11,788.92 × 3,473.52
  4. Step 4: Simplify right side
    7,857.60x = 40,949,049.40
  5. Step 5: Solve for x
    x = 40,949,049.40/7,857.60
  6. Step 6: Final answer
    x = 5,211.39

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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.