Home / 4,985.65-7,475.97-2,793.79

Finding the Fourth Proportional to 4,985.65, 7,475.97 and 2,793.79

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Solution

The fourth proportional to 4,985.65, 7,475.97 and 2,793.79 is: 4,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.65 : 7,475.97 = 2,793.79 : x
  2. Step 2: Convert to fraction form
    4,985.65/7,475.97 = 2,793.79/x
  3. Step 3: Cross multiply
    4,985.65x = 7,475.97 × 2,793.79
  4. Step 4: Simplify right side
    4,985.65x = 20,886,252.85
  5. Step 5: Solve for x
    x = 20,886,252.85/4,985.65
  6. Step 6: Final answer
    x = 4,189.28

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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.