Home / 6,861.26-10,288.04-2,180.40

Finding the Fourth Proportional to 6,861.26, 10,288.04 and 2,180.40

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Solution

The fourth proportional to 6,861.26, 10,288.04 and 2,180.40 is: 3,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.26 : 10,288.04 = 2,180.40 : x
  2. Step 2: Convert to fraction form
    6,861.26/10,288.04 = 2,180.40/x
  3. Step 3: Cross multiply
    6,861.26x = 10,288.04 × 2,180.40
  4. Step 4: Simplify right side
    6,861.26x = 22,432,042.42
  5. Step 5: Solve for x
    x = 22,432,042.42/6,861.26
  6. Step 6: Final answer
    x = 3,269.38

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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.