Home / 8,606.28-12,911.32-3,412.02

Finding the Fourth Proportional to 8,606.28, 12,911.32 and 3,412.02

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Solution

The fourth proportional to 8,606.28, 12,911.32 and 3,412.02 is: 5,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.28 : 12,911.32 = 3,412.02 : x
  2. Step 2: Convert to fraction form
    8,606.28/12,911.32 = 3,412.02/x
  3. Step 3: Cross multiply
    8,606.28x = 12,911.32 × 3,412.02
  4. Step 4: Simplify right side
    8,606.28x = 44,053,682.07
  5. Step 5: Solve for x
    x = 44,053,682.07/8,606.28
  6. Step 6: Final answer
    x = 5,118.78

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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.