Home / 8,222.28-12,334.08-2,675.49

Finding the Fourth Proportional to 8,222.28, 12,334.08 and 2,675.49

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Solution

The fourth proportional to 8,222.28, 12,334.08 and 2,675.49 is: 4,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.28 : 12,334.08 = 2,675.49 : x
  2. Step 2: Convert to fraction form
    8,222.28/12,334.08 = 2,675.49/x
  3. Step 3: Cross multiply
    8,222.28x = 12,334.08 × 2,675.49
  4. Step 4: Simplify right side
    8,222.28x = 32,999,707.70
  5. Step 5: Solve for x
    x = 32,999,707.70/8,222.28
  6. Step 6: Final answer
    x = 4,013.45

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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.