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Finding the Fourth Proportional to 8,326.68, 11,491.11 and 5,496.54

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Solution

The fourth proportional to 8,326.68, 11,491.11 and 5,496.54 is: 7,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.68 : 11,491.11 = 5,496.54 : x
  2. Step 2: Convert to fraction form
    8,326.68/11,491.11 = 5,496.54/x
  3. Step 3: Cross multiply
    8,326.68x = 11,491.11 × 5,496.54
  4. Step 4: Simplify right side
    8,326.68x = 63,161,345.76
  5. Step 5: Solve for x
    x = 63,161,345.76/8,326.68
  6. Step 6: Final answer
    x = 7,585.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.