Home / 6,871.26-10,305.72-2,488.08

Finding the Fourth Proportional to 6,871.26, 10,305.72 and 2,488.08

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Solution

The fourth proportional to 6,871.26, 10,305.72 and 2,488.08 is: 3,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.26 : 10,305.72 = 2,488.08 : x
  2. Step 2: Convert to fraction form
    6,871.26/10,305.72 = 2,488.08/x
  3. Step 3: Cross multiply
    6,871.26x = 10,305.72 × 2,488.08
  4. Step 4: Simplify right side
    6,871.26x = 25,641,455.82
  5. Step 5: Solve for x
    x = 25,641,455.82/6,871.26
  6. Step 6: Final answer
    x = 3,731.70

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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.