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Finding the Fourth Proportional to 8,935.07, 13,393.14 and 3,006.31

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Solution

The fourth proportional to 8,935.07, 13,393.14 and 3,006.31 is: 4,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.07 : 13,393.14 = 3,006.31 : x
  2. Step 2: Convert to fraction form
    8,935.07/13,393.14 = 3,006.31/x
  3. Step 3: Cross multiply
    8,935.07x = 13,393.14 × 3,006.31
  4. Step 4: Simplify right side
    8,935.07x = 40,263,930.71
  5. Step 5: Solve for x
    x = 40,263,930.71/8,935.07
  6. Step 6: Final answer
    x = 4,506.28

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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.