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Finding the Fourth Proportional to 8,992.62, 13,490.55 and 4,064.58

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Solution

The fourth proportional to 8,992.62, 13,490.55 and 4,064.58 is: 6,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.62 : 13,490.55 = 4,064.58 : x
  2. Step 2: Convert to fraction form
    8,992.62/13,490.55 = 4,064.58/x
  3. Step 3: Cross multiply
    8,992.62x = 13,490.55 × 4,064.58
  4. Step 4: Simplify right side
    8,992.62x = 54,833,419.72
  5. Step 5: Solve for x
    x = 54,833,419.72/8,992.62
  6. Step 6: Final answer
    x = 6,097.60

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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.