Home / 6,251.75-9,378.89-2,789

Finding the Fourth Proportional to 6,251.75, 9,378.89 and 2,789

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Solution

The fourth proportional to 6,251.75, 9,378.89 and 2,789 is: 4,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.75 : 9,378.89 = 2,789 : x
  2. Step 2: Convert to fraction form
    6,251.75/9,378.89 = 2,789/x
  3. Step 3: Cross multiply
    6,251.75x = 9,378.89 × 2,789
  4. Step 4: Simplify right side
    6,251.75x = 26,157,724.21
  5. Step 5: Solve for x
    x = 26,157,724.21/6,251.75
  6. Step 6: Final answer
    x = 4,184.06

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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.