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Finding the Fourth Proportional to 8,993.62, 13,492.05 and 4,065.58

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Solution

The fourth proportional to 8,993.62, 13,492.05 and 4,065.58 is: 6,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.62 : 13,492.05 = 4,065.58 : x
  2. Step 2: Convert to fraction form
    8,993.62/13,492.05 = 4,065.58/x
  3. Step 3: Cross multiply
    8,993.62x = 13,492.05 × 4,065.58
  4. Step 4: Simplify right side
    8,993.62x = 54,853,008.64
  5. Step 5: Solve for x
    x = 54,853,008.64/8,993.62
  6. Step 6: Final answer
    x = 6,099.10

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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.