Home / 6,218.62-8,581.68-3,424.12

Finding the Fourth Proportional to 6,218.62, 8,581.68 and 3,424.12

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Solution

The fourth proportional to 6,218.62, 8,581.68 and 3,424.12 is: 4,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.62 : 8,581.68 = 3,424.12 : x
  2. Step 2: Convert to fraction form
    6,218.62/8,581.68 = 3,424.12/x
  3. Step 3: Cross multiply
    6,218.62x = 8,581.68 × 3,424.12
  4. Step 4: Simplify right side
    6,218.62x = 29,384,702.12
  5. Step 5: Solve for x
    x = 29,384,702.12/6,218.62
  6. Step 6: Final answer
    x = 4,725.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.