Home / 4,961.39-7,443.23-2,188.85

Finding the Fourth Proportional to 4,961.39, 7,443.23 and 2,188.85

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Solution

The fourth proportional to 4,961.39, 7,443.23 and 2,188.85 is: 3,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.39 : 7,443.23 = 2,188.85 : x
  2. Step 2: Convert to fraction form
    4,961.39/7,443.23 = 2,188.85/x
  3. Step 3: Cross multiply
    4,961.39x = 7,443.23 × 2,188.85
  4. Step 4: Simplify right side
    4,961.39x = 16,292,065.83
  5. Step 5: Solve for x
    x = 16,292,065.83/4,961.39
  6. Step 6: Final answer
    x = 3,283.77

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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.