Home / 5,508.59-8,263.89-1,811.85

Finding the Fourth Proportional to 5,508.59, 8,263.89 and 1,811.85

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Solution

The fourth proportional to 5,508.59, 8,263.89 and 1,811.85 is: 2,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.59 : 8,263.89 = 1,811.85 : x
  2. Step 2: Convert to fraction form
    5,508.59/8,263.89 = 1,811.85/x
  3. Step 3: Cross multiply
    5,508.59x = 8,263.89 × 1,811.85
  4. Step 4: Simplify right side
    5,508.59x = 14,972,929.10
  5. Step 5: Solve for x
    x = 14,972,929.10/5,508.59
  6. Step 6: Final answer
    x = 2,718.11

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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.