Home / 8,289.64-12,434.49-3,359.37

Finding the Fourth Proportional to 8,289.64, 12,434.49 and 3,359.37

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Solution

The fourth proportional to 8,289.64, 12,434.49 and 3,359.37 is: 5,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.64 : 12,434.49 = 3,359.37 : x
  2. Step 2: Convert to fraction form
    8,289.64/12,434.49 = 3,359.37/x
  3. Step 3: Cross multiply
    8,289.64x = 12,434.49 × 3,359.37
  4. Step 4: Simplify right side
    8,289.64x = 41,772,052.67
  5. Step 5: Solve for x
    x = 41,772,052.67/8,289.64
  6. Step 6: Final answer
    x = 5,039.07

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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.