Home / 4,263.72-6,388.89-2,799.65

Finding the Fourth Proportional to 4,263.72, 6,388.89 and 2,799.65

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Solution

The fourth proportional to 4,263.72, 6,388.89 and 2,799.65 is: 4,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.72 : 6,388.89 = 2,799.65 : x
  2. Step 2: Convert to fraction form
    4,263.72/6,388.89 = 2,799.65/x
  3. Step 3: Cross multiply
    4,263.72x = 6,388.89 × 2,799.65
  4. Step 4: Simplify right side
    4,263.72x = 17,886,623.94
  5. Step 5: Solve for x
    x = 17,886,623.94/4,263.72
  6. Step 6: Final answer
    x = 4,195.07

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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.