Home / 8,348.24-12,515.88-3,419.12

Finding the Fourth Proportional to 8,348.24, 12,515.88 and 3,419.12

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Solution

The fourth proportional to 8,348.24, 12,515.88 and 3,419.12 is: 5,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.24 : 12,515.88 = 3,419.12 : x
  2. Step 2: Convert to fraction form
    8,348.24/12,515.88 = 3,419.12/x
  3. Step 3: Cross multiply
    8,348.24x = 12,515.88 × 3,419.12
  4. Step 4: Simplify right side
    8,348.24x = 42,793,295.63
  5. Step 5: Solve for x
    x = 42,793,295.63/8,348.24
  6. Step 6: Final answer
    x = 5,126.03

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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.