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Finding the Fourth Proportional to 8,614.16, 12,926.18 and 3,348.48

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Solution

The fourth proportional to 8,614.16, 12,926.18 and 3,348.48 is: 5,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.16 : 12,926.18 = 3,348.48 : x
  2. Step 2: Convert to fraction form
    8,614.16/12,926.18 = 3,348.48/x
  3. Step 3: Cross multiply
    8,614.16x = 12,926.18 × 3,348.48
  4. Step 4: Simplify right side
    8,614.16x = 43,283,055.21
  5. Step 5: Solve for x
    x = 43,283,055.21/8,614.16
  6. Step 6: Final answer
    x = 5,024.64

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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.