Home / 5,198.11-7,797.93-2,565.70

Finding the Fourth Proportional to 5,198.11, 7,797.93 and 2,565.70

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Solution

The fourth proportional to 5,198.11, 7,797.93 and 2,565.70 is: 3,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.11 : 7,797.93 = 2,565.70 : x
  2. Step 2: Convert to fraction form
    5,198.11/7,797.93 = 2,565.70/x
  3. Step 3: Cross multiply
    5,198.11x = 7,797.93 × 2,565.70
  4. Step 4: Simplify right side
    5,198.11x = 20,007,149.00
  5. Step 5: Solve for x
    x = 20,007,149.00/5,198.11
  6. Step 6: Final answer
    x = 3,848.93

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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.