Home / 5,180.43-7,765.14-3,532.89

Finding the Fourth Proportional to 5,180.43, 7,765.14 and 3,532.89

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Solution

The fourth proportional to 5,180.43, 7,765.14 and 3,532.89 is: 5,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.43 : 7,765.14 = 3,532.89 : x
  2. Step 2: Convert to fraction form
    5,180.43/7,765.14 = 3,532.89/x
  3. Step 3: Cross multiply
    5,180.43x = 7,765.14 × 3,532.89
  4. Step 4: Simplify right side
    5,180.43x = 27,433,385.45
  5. Step 5: Solve for x
    x = 27,433,385.45/5,180.43
  6. Step 6: Final answer
    x = 5,295.58

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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.