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Finding the Fourth Proportional to 8,294.77, 12,447.27 and 3,364.45

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Solution

The fourth proportional to 8,294.77, 12,447.27 and 3,364.45 is: 5,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.77 : 12,447.27 = 3,364.45 : x
  2. Step 2: Convert to fraction form
    8,294.77/12,447.27 = 3,364.45/x
  3. Step 3: Cross multiply
    8,294.77x = 12,447.27 × 3,364.45
  4. Step 4: Simplify right side
    8,294.77x = 41,878,256.45
  5. Step 5: Solve for x
    x = 41,878,256.45/8,294.77
  6. Step 6: Final answer
    x = 5,048.75

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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.