Home / 8,132.76-12,199.80-2,289.42

Finding the Fourth Proportional to 8,132.76, 12,199.80 and 2,289.42

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Solution

The fourth proportional to 8,132.76, 12,199.80 and 2,289.42 is: 3,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.76 : 12,199.80 = 2,289.42 : x
  2. Step 2: Convert to fraction form
    8,132.76/12,199.80 = 2,289.42/x
  3. Step 3: Cross multiply
    8,132.76x = 12,199.80 × 2,289.42
  4. Step 4: Simplify right side
    8,132.76x = 27,930,466.12
  5. Step 5: Solve for x
    x = 27,930,466.12/8,132.76
  6. Step 6: Final answer
    x = 3,434.32

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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.