Home / 6,077.82-9,121.56-3,156.96

Finding the Fourth Proportional to 6,077.82, 9,121.56 and 3,156.96

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Solution

The fourth proportional to 6,077.82, 9,121.56 and 3,156.96 is: 4,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.82 : 9,121.56 = 3,156.96 : x
  2. Step 2: Convert to fraction form
    6,077.82/9,121.56 = 3,156.96/x
  3. Step 3: Cross multiply
    6,077.82x = 9,121.56 × 3,156.96
  4. Step 4: Simplify right side
    6,077.82x = 28,796,400.06
  5. Step 5: Solve for x
    x = 28,796,400.06/6,077.82
  6. Step 6: Final answer
    x = 4,737.95

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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.