Home / 8,717.43-13,076.23-3,453.72

Finding the Fourth Proportional to 8,717.43, 13,076.23 and 3,453.72

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Solution

The fourth proportional to 8,717.43, 13,076.23 and 3,453.72 is: 5,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.43 : 13,076.23 = 3,453.72 : x
  2. Step 2: Convert to fraction form
    8,717.43/13,076.23 = 3,453.72/x
  3. Step 3: Cross multiply
    8,717.43x = 13,076.23 × 3,453.72
  4. Step 4: Simplify right side
    8,717.43x = 45,161,645.71
  5. Step 5: Solve for x
    x = 45,161,645.71/8,717.43
  6. Step 6: Final answer
    x = 5,180.62

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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.