Home / 6,151.31-9,211.53-3,801.66

Finding the Fourth Proportional to 6,151.31, 9,211.53 and 3,801.66

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Solution

The fourth proportional to 6,151.31, 9,211.53 and 3,801.66 is: 5,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.31 : 9,211.53 = 3,801.66 : x
  2. Step 2: Convert to fraction form
    6,151.31/9,211.53 = 3,801.66/x
  3. Step 3: Cross multiply
    6,151.31x = 9,211.53 × 3,801.66
  4. Step 4: Simplify right side
    6,151.31x = 35,019,105.14
  5. Step 5: Solve for x
    x = 35,019,105.14/6,151.31
  6. Step 6: Final answer
    x = 5,692.95

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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.