Home / 6,865.67-10,298.40-2,185.97

Finding the Fourth Proportional to 6,865.67, 10,298.40 and 2,185.97

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Solution

The fourth proportional to 6,865.67, 10,298.40 and 2,185.97 is: 3,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.67 : 10,298.40 = 2,185.97 : x
  2. Step 2: Convert to fraction form
    6,865.67/10,298.40 = 2,185.97/x
  3. Step 3: Cross multiply
    6,865.67x = 10,298.40 × 2,185.97
  4. Step 4: Simplify right side
    6,865.67x = 22,511,941.96
  5. Step 5: Solve for x
    x = 22,511,941.96/6,865.67
  6. Step 6: Final answer
    x = 3,278.92

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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.