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Finding the Fourth Proportional to 8,633.34, 12,948.06 and 3,368.49

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Solution

The fourth proportional to 8,633.34, 12,948.06 and 3,368.49 is: 5,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.34 : 12,948.06 = 3,368.49 : x
  2. Step 2: Convert to fraction form
    8,633.34/12,948.06 = 3,368.49/x
  3. Step 3: Cross multiply
    8,633.34x = 12,948.06 × 3,368.49
  4. Step 4: Simplify right side
    8,633.34x = 43,615,410.63
  5. Step 5: Solve for x
    x = 43,615,410.63/8,633.34
  6. Step 6: Final answer
    x = 5,051.97

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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.