Home / 6,276.10-9,415.56-2,115.97

Finding the Fourth Proportional to 6,276.10, 9,415.56 and 2,115.97

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Solution

The fourth proportional to 6,276.10, 9,415.56 and 2,115.97 is: 3,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.10 : 9,415.56 = 2,115.97 : x
  2. Step 2: Convert to fraction form
    6,276.10/9,415.56 = 2,115.97/x
  3. Step 3: Cross multiply
    6,276.10x = 9,415.56 × 2,115.97
  4. Step 4: Simplify right side
    6,276.10x = 19,923,042.49
  5. Step 5: Solve for x
    x = 19,923,042.49/6,276.10
  6. Step 6: Final answer
    x = 3,174.43

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1.5x scale

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.