Home / 6,251.20-9,354.84-4,939

Finding the Fourth Proportional to 6,251.20, 9,354.84 and 4,939

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Solution

The fourth proportional to 6,251.20, 9,354.84 and 4,939 is: 7,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.20 : 9,354.84 = 4,939 : x
  2. Step 2: Convert to fraction form
    6,251.20/9,354.84 = 4,939/x
  3. Step 3: Cross multiply
    6,251.20x = 9,354.84 × 4,939
  4. Step 4: Simplify right side
    6,251.20x = 46,203,554.76
  5. Step 5: Solve for x
    x = 46,203,554.76/6,251.20
  6. Step 6: Final answer
    x = 7,391.15

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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.