Home / 6,868.90-10,304.11-2,189.13

Finding the Fourth Proportional to 6,868.90, 10,304.11 and 2,189.13

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Solution

The fourth proportional to 6,868.90, 10,304.11 and 2,189.13 is: 3,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.90 : 10,304.11 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    6,868.90/10,304.11 = 2,189.13/x
  3. Step 3: Cross multiply
    6,868.90x = 10,304.11 × 2,189.13
  4. Step 4: Simplify right side
    6,868.90x = 22,557,000.42
  5. Step 5: Solve for x
    x = 22,557,000.42/6,868.90
  6. Step 6: Final answer
    x = 3,283.93

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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.