Home / 4,811.52-7,220.16-2,760.96

Finding the Fourth Proportional to 4,811.52, 7,220.16 and 2,760.96

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Solution

The fourth proportional to 4,811.52, 7,220.16 and 2,760.96 is: 4,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.52 : 7,220.16 = 2,760.96 : x
  2. Step 2: Convert to fraction form
    4,811.52/7,220.16 = 2,760.96/x
  3. Step 3: Cross multiply
    4,811.52x = 7,220.16 × 2,760.96
  4. Step 4: Simplify right side
    4,811.52x = 19,934,572.95
  5. Step 5: Solve for x
    x = 19,934,572.95/4,811.52
  6. Step 6: Final answer
    x = 4,143.09

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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.