Home / 8,197.07-12,299.04-3,518.10

Finding the Fourth Proportional to 8,197.07, 12,299.04 and 3,518.10

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Solution

The fourth proportional to 8,197.07, 12,299.04 and 3,518.10 is: 5,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.07 : 12,299.04 = 3,518.10 : x
  2. Step 2: Convert to fraction form
    8,197.07/12,299.04 = 3,518.10/x
  3. Step 3: Cross multiply
    8,197.07x = 12,299.04 × 3,518.10
  4. Step 4: Simplify right side
    8,197.07x = 43,269,252.62
  5. Step 5: Solve for x
    x = 43,269,252.62/8,197.07
  6. Step 6: Final answer
    x = 5,278.63

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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.