Home / 3,993.75-5,511.11-2,225.45

Finding the Fourth Proportional to 3,993.75, 5,511.11 and 2,225.45

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Solution

The fourth proportional to 3,993.75, 5,511.11 and 2,225.45 is: 3,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.75 : 5,511.11 = 2,225.45 : x
  2. Step 2: Convert to fraction form
    3,993.75/5,511.11 = 2,225.45/x
  3. Step 3: Cross multiply
    3,993.75x = 5,511.11 × 2,225.45
  4. Step 4: Simplify right side
    3,993.75x = 12,264,702.40
  5. Step 5: Solve for x
    x = 12,264,702.40/3,993.75
  6. Step 6: Final answer
    x = 3,070.97

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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.