Home / 6,218.12-8,580.99-3,423.62

Finding the Fourth Proportional to 6,218.12, 8,580.99 and 3,423.62

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Solution

The fourth proportional to 6,218.12, 8,580.99 and 3,423.62 is: 4,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.12 : 8,580.99 = 3,423.62 : x
  2. Step 2: Convert to fraction form
    6,218.12/8,580.99 = 3,423.62/x
  3. Step 3: Cross multiply
    6,218.12x = 8,580.99 × 3,423.62
  4. Step 4: Simplify right side
    6,218.12x = 29,378,048.98
  5. Step 5: Solve for x
    x = 29,378,048.98/6,218.12
  6. Step 6: Final answer
    x = 4,724.59

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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.