Home / 5,155.24-7,725.98-2,684.88

Finding the Fourth Proportional to 5,155.24, 7,725.98 and 2,684.88

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Solution

The fourth proportional to 5,155.24, 7,725.98 and 2,684.88 is: 4,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.24 : 7,725.98 = 2,684.88 : x
  2. Step 2: Convert to fraction form
    5,155.24/7,725.98 = 2,684.88/x
  3. Step 3: Cross multiply
    5,155.24x = 7,725.98 × 2,684.88
  4. Step 4: Simplify right side
    5,155.24x = 20,743,315.76
  5. Step 5: Solve for x
    x = 20,743,315.76/5,155.24
  6. Step 6: Final answer
    x = 4,023.73

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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.