Home / 5,146.95-7,720.97-3,197.55

Finding the Fourth Proportional to 5,146.95, 7,720.97 and 3,197.55

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Solution

The fourth proportional to 5,146.95, 7,720.97 and 3,197.55 is: 4,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.95 : 7,720.97 = 3,197.55 : x
  2. Step 2: Convert to fraction form
    5,146.95/7,720.97 = 3,197.55/x
  3. Step 3: Cross multiply
    5,146.95x = 7,720.97 × 3,197.55
  4. Step 4: Simplify right side
    5,146.95x = 24,688,171.64
  5. Step 5: Solve for x
    x = 24,688,171.64/5,146.95
  6. Step 6: Final answer
    x = 4,796.66

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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.