Home / 4,910.56-7,349.76-2,686.04

Finding the Fourth Proportional to 4,910.56, 7,349.76 and 2,686.04

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Solution

The fourth proportional to 4,910.56, 7,349.76 and 2,686.04 is: 4,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.56 : 7,349.76 = 2,686.04 : x
  2. Step 2: Convert to fraction form
    4,910.56/7,349.76 = 2,686.04/x
  3. Step 3: Cross multiply
    4,910.56x = 7,349.76 × 2,686.04
  4. Step 4: Simplify right side
    4,910.56x = 19,741,749.35
  5. Step 5: Solve for x
    x = 19,741,749.35/4,910.56
  6. Step 6: Final answer
    x = 4,020.26

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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.