Home / 6,218.10-8,581.11-3,565.62

Finding the Fourth Proportional to 6,218.10, 8,581.11 and 3,565.62

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Solution

The fourth proportional to 6,218.10, 8,581.11 and 3,565.62 is: 4,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.10 : 8,581.11 = 3,565.62 : x
  2. Step 2: Convert to fraction form
    6,218.10/8,581.11 = 3,565.62/x
  3. Step 3: Cross multiply
    6,218.10x = 8,581.11 × 3,565.62
  4. Step 4: Simplify right side
    6,218.10x = 30,596,977.44
  5. Step 5: Solve for x
    x = 30,596,977.44/6,218.10
  6. Step 6: Final answer
    x = 4,920.63

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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.