Home / 6,169.20-8,512.56-3,516.48

Finding the Fourth Proportional to 6,169.20, 8,512.56 and 3,516.48

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Solution

The fourth proportional to 6,169.20, 8,512.56 and 3,516.48 is: 4,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.20 : 8,512.56 = 3,516.48 : x
  2. Step 2: Convert to fraction form
    6,169.20/8,512.56 = 3,516.48/x
  3. Step 3: Cross multiply
    6,169.20x = 8,512.56 × 3,516.48
  4. Step 4: Simplify right side
    6,169.20x = 29,934,246.99
  5. Step 5: Solve for x
    x = 29,934,246.99/6,169.20
  6. Step 6: Final answer
    x = 4,852.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.