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Finding the Fourth Proportional to 8,188.53, 12,281.07 and 2,343.84

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Solution

The fourth proportional to 8,188.53, 12,281.07 and 2,343.84 is: 3,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.53 : 12,281.07 = 2,343.84 : x
  2. Step 2: Convert to fraction form
    8,188.53/12,281.07 = 2,343.84/x
  3. Step 3: Cross multiply
    8,188.53x = 12,281.07 × 2,343.84
  4. Step 4: Simplify right side
    8,188.53x = 28,784,863.11
  5. Step 5: Solve for x
    x = 28,784,863.11/8,188.53
  6. Step 6: Final answer
    x = 3,515.27

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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.