Home / 5,261.23-7,891.52-1,974.05

Finding the Fourth Proportional to 5,261.23, 7,891.52 and 1,974.05

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Solution

The fourth proportional to 5,261.23, 7,891.52 and 1,974.05 is: 2,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.23 : 7,891.52 = 1,974.05 : x
  2. Step 2: Convert to fraction form
    5,261.23/7,891.52 = 1,974.05/x
  3. Step 3: Cross multiply
    5,261.23x = 7,891.52 × 1,974.05
  4. Step 4: Simplify right side
    5,261.23x = 15,578,220.53
  5. Step 5: Solve for x
    x = 15,578,220.53/5,261.23
  6. Step 6: Final answer
    x = 2,960.95

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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.