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Finding the Fourth Proportional to 8,163.03, 12,245.42 and 3,483.53

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Solution

The fourth proportional to 8,163.03, 12,245.42 and 3,483.53 is: 5,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.03 : 12,245.42 = 3,483.53 : x
  2. Step 2: Convert to fraction form
    8,163.03/12,245.42 = 3,483.53/x
  3. Step 3: Cross multiply
    8,163.03x = 12,245.42 × 3,483.53
  4. Step 4: Simplify right side
    8,163.03x = 42,657,209.29
  5. Step 5: Solve for x
    x = 42,657,209.29/8,163.03
  6. Step 6: Final answer
    x = 5,225.66

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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.