Home / 5,179.36-7,770.68-3,332.56

Finding the Fourth Proportional to 5,179.36, 7,770.68 and 3,332.56

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Solution

The fourth proportional to 5,179.36, 7,770.68 and 3,332.56 is: 4,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.36 : 7,770.68 = 3,332.56 : x
  2. Step 2: Convert to fraction form
    5,179.36/7,770.68 = 3,332.56/x
  3. Step 3: Cross multiply
    5,179.36x = 7,770.68 × 3,332.56
  4. Step 4: Simplify right side
    5,179.36x = 25,896,257.34
  5. Step 5: Solve for x
    x = 25,896,257.34/5,179.36
  6. Step 6: Final answer
    x = 4,999.90

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1.5x scale

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.