Home / 6,862.75-10,295.10-2,119.31

Finding the Fourth Proportional to 6,862.75, 10,295.10 and 2,119.31

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Solution

The fourth proportional to 6,862.75, 10,295.10 and 2,119.31 is: 3,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.75 : 10,295.10 = 2,119.31 : x
  2. Step 2: Convert to fraction form
    6,862.75/10,295.10 = 2,119.31/x
  3. Step 3: Cross multiply
    6,862.75x = 10,295.10 × 2,119.31
  4. Step 4: Simplify right side
    6,862.75x = 21,818,508.38
  5. Step 5: Solve for x
    x = 21,818,508.38/6,862.75
  6. Step 6: Final answer
    x = 3,179.27

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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.