Home / 8,317.71-12,476.66-2,161.71

Finding the Fourth Proportional to 8,317.71, 12,476.66 and 2,161.71

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Solution

The fourth proportional to 8,317.71, 12,476.66 and 2,161.71 is: 3,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.71 : 12,476.66 = 2,161.71 : x
  2. Step 2: Convert to fraction form
    8,317.71/12,476.66 = 2,161.71/x
  3. Step 3: Cross multiply
    8,317.71x = 12,476.66 × 2,161.71
  4. Step 4: Simplify right side
    8,317.71x = 26,970,909.88
  5. Step 5: Solve for x
    x = 26,970,909.88/8,317.71
  6. Step 6: Final answer
    x = 3,242.59

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1.5x scale

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.