Home / 4,982.08-7,471.52-2,640.72

Finding the Fourth Proportional to 4,982.08, 7,471.52 and 2,640.72

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Solution

The fourth proportional to 4,982.08, 7,471.52 and 2,640.72 is: 3,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.08 : 7,471.52 = 2,640.72 : x
  2. Step 2: Convert to fraction form
    4,982.08/7,471.52 = 2,640.72/x
  3. Step 3: Cross multiply
    4,982.08x = 7,471.52 × 2,640.72
  4. Step 4: Simplify right side
    4,982.08x = 19,730,192.29
  5. Step 5: Solve for x
    x = 19,730,192.29/4,982.08
  6. Step 6: Final answer
    x = 3,960.23

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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.