Home / 6,257.80-9,390.40-2,311.81

Finding the Fourth Proportional to 6,257.80, 9,390.40 and 2,311.81

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Solution

The fourth proportional to 6,257.80, 9,390.40 and 2,311.81 is: 3,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.80 : 9,390.40 = 2,311.81 : x
  2. Step 2: Convert to fraction form
    6,257.80/9,390.40 = 2,311.81/x
  3. Step 3: Cross multiply
    6,257.80x = 9,390.40 × 2,311.81
  4. Step 4: Simplify right side
    6,257.80x = 21,708,791.37
  5. Step 5: Solve for x
    x = 21,708,791.37/6,257.80
  6. Step 6: Final answer
    x = 3,469.08

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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.