Home / 5,511.78-8,260.92-2,223.18

Finding the Fourth Proportional to 5,511.78, 8,260.92 and 2,223.18

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Solution

The fourth proportional to 5,511.78, 8,260.92 and 2,223.18 is: 3,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.78 : 8,260.92 = 2,223.18 : x
  2. Step 2: Convert to fraction form
    5,511.78/8,260.92 = 2,223.18/x
  3. Step 3: Cross multiply
    5,511.78x = 8,260.92 × 2,223.18
  4. Step 4: Simplify right side
    5,511.78x = 18,365,512.13
  5. Step 5: Solve for x
    x = 18,365,512.13/5,511.78
  6. Step 6: Final answer
    x = 3,332.05

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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.