Home / 5,311.04-7,960.56-2,708.48

Finding the Fourth Proportional to 5,311.04, 7,960.56 and 2,708.48

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Solution

The fourth proportional to 5,311.04, 7,960.56 and 2,708.48 is: 4,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.04 : 7,960.56 = 2,708.48 : x
  2. Step 2: Convert to fraction form
    5,311.04/7,960.56 = 2,708.48/x
  3. Step 3: Cross multiply
    5,311.04x = 7,960.56 × 2,708.48
  4. Step 4: Simplify right side
    5,311.04x = 21,561,017.55
  5. Step 5: Solve for x
    x = 21,561,017.55/5,311.04
  6. Step 6: Final answer
    x = 4,059.66

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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.