Home / 8,517.35-12,775.32-3,323.23

Finding the Fourth Proportional to 8,517.35, 12,775.32 and 3,323.23

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Solution

The fourth proportional to 8,517.35, 12,775.32 and 3,323.23 is: 4,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.35 : 12,775.32 = 3,323.23 : x
  2. Step 2: Convert to fraction form
    8,517.35/12,775.32 = 3,323.23/x
  3. Step 3: Cross multiply
    8,517.35x = 12,775.32 × 3,323.23
  4. Step 4: Simplify right side
    8,517.35x = 42,455,294.75
  5. Step 5: Solve for x
    x = 42,455,294.75/8,517.35
  6. Step 6: Final answer
    x = 4,984.56

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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.