Home / 8,674.66-13,003.68-5,715.39

Finding the Fourth Proportional to 8,674.66, 13,003.68 and 5,715.39

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Solution

The fourth proportional to 8,674.66, 13,003.68 and 5,715.39 is: 8,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.66 : 13,003.68 = 5,715.39 : x
  2. Step 2: Convert to fraction form
    8,674.66/13,003.68 = 5,715.39/x
  3. Step 3: Cross multiply
    8,674.66x = 13,003.68 × 5,715.39
  4. Step 4: Simplify right side
    8,674.66x = 74,321,102.64
  5. Step 5: Solve for x
    x = 74,321,102.64/8,674.66
  6. Step 6: Final answer
    x = 8,567.61

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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.