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Finding the Fourth Proportional to 8,367.36, 12,552.42 and 3,435.69

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Solution

The fourth proportional to 8,367.36, 12,552.42 and 3,435.69 is: 5,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.36 : 12,552.42 = 3,435.69 : x
  2. Step 2: Convert to fraction form
    8,367.36/12,552.42 = 3,435.69/x
  3. Step 3: Cross multiply
    8,367.36x = 12,552.42 × 3,435.69
  4. Step 4: Simplify right side
    8,367.36x = 43,126,223.87
  5. Step 5: Solve for x
    x = 43,126,223.87/8,367.36
  6. Step 6: Final answer
    x = 5,154.10

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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.