Home / 6,218.40-8,581.08-3,423.84

Finding the Fourth Proportional to 6,218.40, 8,581.08 and 3,423.84

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Solution

The fourth proportional to 6,218.40, 8,581.08 and 3,423.84 is: 4,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.40 : 8,581.08 = 3,423.84 : x
  2. Step 2: Convert to fraction form
    6,218.40/8,581.08 = 3,423.84/x
  3. Step 3: Cross multiply
    6,218.40x = 8,581.08 × 3,423.84
  4. Step 4: Simplify right side
    6,218.40x = 29,380,244.95
  5. Step 5: Solve for x
    x = 29,380,244.95/6,218.40
  6. Step 6: Final answer
    x = 4,724.73

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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.