Home / 8,265.12-12,394.28-4,103.60

Finding the Fourth Proportional to 8,265.12, 12,394.28 and 4,103.60

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Solution

The fourth proportional to 8,265.12, 12,394.28 and 4,103.60 is: 6,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.12 : 12,394.28 = 4,103.60 : x
  2. Step 2: Convert to fraction form
    8,265.12/12,394.28 = 4,103.60/x
  3. Step 3: Cross multiply
    8,265.12x = 12,394.28 × 4,103.60
  4. Step 4: Simplify right side
    8,265.12x = 50,861,167.41
  5. Step 5: Solve for x
    x = 50,861,167.41/8,265.12
  6. Step 6: Final answer
    x = 6,153.71

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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.