Home / 5,661.18-8,486.91-2,197.62

Finding the Fourth Proportional to 5,661.18, 8,486.91 and 2,197.62

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Solution

The fourth proportional to 5,661.18, 8,486.91 and 2,197.62 is: 3,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.18 : 8,486.91 = 2,197.62 : x
  2. Step 2: Convert to fraction form
    5,661.18/8,486.91 = 2,197.62/x
  3. Step 3: Cross multiply
    5,661.18x = 8,486.91 × 2,197.62
  4. Step 4: Simplify right side
    5,661.18x = 18,651,003.15
  5. Step 5: Solve for x
    x = 18,651,003.15/5,661.18
  6. Step 6: Final answer
    x = 3,294.54

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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.