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Finding the Fourth Proportional to 8,602.88, 12,904.31 and 2,446.88

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Solution

The fourth proportional to 8,602.88, 12,904.31 and 2,446.88 is: 3,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.88 : 12,904.31 = 2,446.88 : x
  2. Step 2: Convert to fraction form
    8,602.88/12,904.31 = 2,446.88/x
  3. Step 3: Cross multiply
    8,602.88x = 12,904.31 × 2,446.88
  4. Step 4: Simplify right side
    8,602.88x = 31,575,239.65
  5. Step 5: Solve for x
    x = 31,575,239.65/8,602.88
  6. Step 6: Final answer
    x = 3,670.31

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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.