Home / 5,246.01-7,872.03-2,780.82

Finding the Fourth Proportional to 5,246.01, 7,872.03 and 2,780.82

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Solution

The fourth proportional to 5,246.01, 7,872.03 and 2,780.82 is: 4,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.01 : 7,872.03 = 2,780.82 : x
  2. Step 2: Convert to fraction form
    5,246.01/7,872.03 = 2,780.82/x
  3. Step 3: Cross multiply
    5,246.01x = 7,872.03 × 2,780.82
  4. Step 4: Simplify right side
    5,246.01x = 21,890,719.15
  5. Step 5: Solve for x
    x = 21,890,719.15/5,246.01
  6. Step 6: Final answer
    x = 4,172.83

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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.