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Finding the Fourth Proportional to 8,969.52, 13,455.76 and 3,046.26

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Solution

The fourth proportional to 8,969.52, 13,455.76 and 3,046.26 is: 4,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.52 : 13,455.76 = 3,046.26 : x
  2. Step 2: Convert to fraction form
    8,969.52/13,455.76 = 3,046.26/x
  3. Step 3: Cross multiply
    8,969.52x = 13,455.76 × 3,046.26
  4. Step 4: Simplify right side
    8,969.52x = 40,989,743.46
  5. Step 5: Solve for x
    x = 40,989,743.46/8,969.52
  6. Step 6: Final answer
    x = 4,569.89

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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.