Home / 5,508.88-8,264.34-1,812.18

Finding the Fourth Proportional to 5,508.88, 8,264.34 and 1,812.18

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Solution

The fourth proportional to 5,508.88, 8,264.34 and 1,812.18 is: 2,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.88 : 8,264.34 = 1,812.18 : x
  2. Step 2: Convert to fraction form
    5,508.88/8,264.34 = 1,812.18/x
  3. Step 3: Cross multiply
    5,508.88x = 8,264.34 × 1,812.18
  4. Step 4: Simplify right side
    5,508.88x = 14,976,471.66
  5. Step 5: Solve for x
    x = 14,976,471.66/5,508.88
  6. Step 6: Final answer
    x = 2,718.61

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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.