Home / 5,099.03-7,642.07-2,787.83

Finding the Fourth Proportional to 5,099.03, 7,642.07 and 2,787.83

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Solution

The fourth proportional to 5,099.03, 7,642.07 and 2,787.83 is: 4,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.03 : 7,642.07 = 2,787.83 : x
  2. Step 2: Convert to fraction form
    5,099.03/7,642.07 = 2,787.83/x
  3. Step 3: Cross multiply
    5,099.03x = 7,642.07 × 2,787.83
  4. Step 4: Simplify right side
    5,099.03x = 21,304,778.07
  5. Step 5: Solve for x
    x = 21,304,778.07/5,099.03
  6. Step 6: Final answer
    x = 4,178.20

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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.