Home / 5,246.98-7,872.59-1,961.01

Finding the Fourth Proportional to 5,246.98, 7,872.59 and 1,961.01

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Solution

The fourth proportional to 5,246.98, 7,872.59 and 1,961.01 is: 2,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.98 : 7,872.59 = 1,961.01 : x
  2. Step 2: Convert to fraction form
    5,246.98/7,872.59 = 1,961.01/x
  3. Step 3: Cross multiply
    5,246.98x = 7,872.59 × 1,961.01
  4. Step 4: Simplify right side
    5,246.98x = 15,438,232.62
  5. Step 5: Solve for x
    x = 15,438,232.62/5,246.98
  6. Step 6: Final answer
    x = 2,942.31

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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.