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Finding the Fourth Proportional to 8,253.42, 12,381.93 and 3,323.22

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Solution

The fourth proportional to 8,253.42, 12,381.93 and 3,323.22 is: 4,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.42 : 12,381.93 = 3,323.22 : x
  2. Step 2: Convert to fraction form
    8,253.42/12,381.93 = 3,323.22/x
  3. Step 3: Cross multiply
    8,253.42x = 12,381.93 × 3,323.22
  4. Step 4: Simplify right side
    8,253.42x = 41,147,877.41
  5. Step 5: Solve for x
    x = 41,147,877.41/8,253.42
  6. Step 6: Final answer
    x = 4,985.55

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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.