Home / 6,276.73-9,415.90-2,115.87

Finding the Fourth Proportional to 6,276.73, 9,415.90 and 2,115.87

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Solution

The fourth proportional to 6,276.73, 9,415.90 and 2,115.87 is: 3,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.73 : 9,415.90 = 2,115.87 : x
  2. Step 2: Convert to fraction form
    6,276.73/9,415.90 = 2,115.87/x
  3. Step 3: Cross multiply
    6,276.73x = 9,415.90 × 2,115.87
  4. Step 4: Simplify right side
    6,276.73x = 19,922,820.33
  5. Step 5: Solve for x
    x = 19,922,820.33/6,276.73
  6. Step 6: Final answer
    x = 3,174.08

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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.