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Finding the Fourth Proportional to 8,804.43, 13,206.65 and 5,340.87

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Solution

The fourth proportional to 8,804.43, 13,206.65 and 5,340.87 is: 8,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.43 : 13,206.65 = 5,340.87 : x
  2. Step 2: Convert to fraction form
    8,804.43/13,206.65 = 5,340.87/x
  3. Step 3: Cross multiply
    8,804.43x = 13,206.65 × 5,340.87
  4. Step 4: Simplify right side
    8,804.43x = 70,534,974.08
  5. Step 5: Solve for x
    x = 70,534,974.08/8,804.43
  6. Step 6: Final answer
    x = 8,011.31

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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.