Home / 6,218.49-8,581.91-3,423.99

Finding the Fourth Proportional to 6,218.49, 8,581.91 and 3,423.99

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Solution

The fourth proportional to 6,218.49, 8,581.91 and 3,423.99 is: 4,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.49 : 8,581.91 = 3,423.99 : x
  2. Step 2: Convert to fraction form
    6,218.49/8,581.91 = 3,423.99/x
  3. Step 3: Cross multiply
    6,218.49x = 8,581.91 × 3,423.99
  4. Step 4: Simplify right side
    6,218.49x = 29,384,356.90
  5. Step 5: Solve for x
    x = 29,384,356.90/6,218.49
  6. Step 6: Final answer
    x = 4,725.32

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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.