Home / 8,162.43-11,260.92-5,328.90

Finding the Fourth Proportional to 8,162.43, 11,260.92 and 5,328.90

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Solution

The fourth proportional to 8,162.43, 11,260.92 and 5,328.90 is: 7,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.43 : 11,260.92 = 5,328.90 : x
  2. Step 2: Convert to fraction form
    8,162.43/11,260.92 = 5,328.90/x
  3. Step 3: Cross multiply
    8,162.43x = 11,260.92 × 5,328.90
  4. Step 4: Simplify right side
    8,162.43x = 60,008,316.59
  5. Step 5: Solve for x
    x = 60,008,316.59/8,162.43
  6. Step 6: Final answer
    x = 7,351.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.