Home / 6,299.78-9,449.28-2,788.75

Finding the Fourth Proportional to 6,299.78, 9,449.28 and 2,788.75

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Solution

The fourth proportional to 6,299.78, 9,449.28 and 2,788.75 is: 4,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.78 : 9,449.28 = 2,788.75 : x
  2. Step 2: Convert to fraction form
    6,299.78/9,449.28 = 2,788.75/x
  3. Step 3: Cross multiply
    6,299.78x = 9,449.28 × 2,788.75
  4. Step 4: Simplify right side
    6,299.78x = 26,351,725.83
  5. Step 5: Solve for x
    x = 26,351,725.83/6,299.78
  6. Step 6: Final answer
    x = 4,182.96

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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.