Home / 5,511.57-8,264.52-2,223.78

Finding the Fourth Proportional to 5,511.57, 8,264.52 and 2,223.78

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Solution

The fourth proportional to 5,511.57, 8,264.52 and 2,223.78 is: 3,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.57 : 8,264.52 = 2,223.78 : x
  2. Step 2: Convert to fraction form
    5,511.57/8,264.52 = 2,223.78/x
  3. Step 3: Cross multiply
    5,511.57x = 8,264.52 × 2,223.78
  4. Step 4: Simplify right side
    5,511.57x = 18,378,474.29
  5. Step 5: Solve for x
    x = 18,378,474.29/5,511.57
  6. Step 6: Final answer
    x = 3,334.53

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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.