Home / 5,819.20-8,725.48-3,972.55

Finding the Fourth Proportional to 5,819.20, 8,725.48 and 3,972.55

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Solution

The fourth proportional to 5,819.20, 8,725.48 and 3,972.55 is: 5,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.20 : 8,725.48 = 3,972.55 : x
  2. Step 2: Convert to fraction form
    5,819.20/8,725.48 = 3,972.55/x
  3. Step 3: Cross multiply
    5,819.20x = 8,725.48 × 3,972.55
  4. Step 4: Simplify right side
    5,819.20x = 34,662,405.57
  5. Step 5: Solve for x
    x = 34,662,405.57/5,819.20
  6. Step 6: Final answer
    x = 5,956.56

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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.