Home / 6,218.54-8,581.49-3,565.79

Finding the Fourth Proportional to 6,218.54, 8,581.49 and 3,565.79

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Solution

The fourth proportional to 6,218.54, 8,581.49 and 3,565.79 is: 4,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.54 : 8,581.49 = 3,565.79 : x
  2. Step 2: Convert to fraction form
    6,218.54/8,581.49 = 3,565.79/x
  3. Step 3: Cross multiply
    6,218.54x = 8,581.49 × 3,565.79
  4. Step 4: Simplify right side
    6,218.54x = 30,599,796.10
  5. Step 5: Solve for x
    x = 30,599,796.10/6,218.54
  6. Step 6: Final answer
    x = 4,920.74

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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.