Home / 5,684.18-8,518.16-2,217.38

Finding the Fourth Proportional to 5,684.18, 8,518.16 and 2,217.38

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Solution

The fourth proportional to 5,684.18, 8,518.16 and 2,217.38 is: 3,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.18 : 8,518.16 = 2,217.38 : x
  2. Step 2: Convert to fraction form
    5,684.18/8,518.16 = 2,217.38/x
  3. Step 3: Cross multiply
    5,684.18x = 8,518.16 × 2,217.38
  4. Step 4: Simplify right side
    5,684.18x = 18,887,960.57
  5. Step 5: Solve for x
    x = 18,887,960.57/5,684.18
  6. Step 6: Final answer
    x = 3,322.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.