Home / 6,151.55-8,489.77-3,634.48

Finding the Fourth Proportional to 6,151.55, 8,489.77 and 3,634.48

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Solution

The fourth proportional to 6,151.55, 8,489.77 and 3,634.48 is: 5,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.55 : 8,489.77 = 3,634.48 : x
  2. Step 2: Convert to fraction form
    6,151.55/8,489.77 = 3,634.48/x
  3. Step 3: Cross multiply
    6,151.55x = 8,489.77 × 3,634.48
  4. Step 4: Simplify right side
    6,151.55x = 30,855,868.96
  5. Step 5: Solve for x
    x = 30,855,868.96/6,151.55
  6. Step 6: Final answer
    x = 5,015.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.