Home / 5,619.62-7,755.16-3,101.84

Finding the Fourth Proportional to 5,619.62, 7,755.16 and 3,101.84

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Solution

The fourth proportional to 5,619.62, 7,755.16 and 3,101.84 is: 4,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.62 : 7,755.16 = 3,101.84 : x
  2. Step 2: Convert to fraction form
    5,619.62/7,755.16 = 3,101.84/x
  3. Step 3: Cross multiply
    5,619.62x = 7,755.16 × 3,101.84
  4. Step 4: Simplify right side
    5,619.62x = 24,055,265.49
  5. Step 5: Solve for x
    x = 24,055,265.49/5,619.62
  6. Step 6: Final answer
    x = 4,280.59

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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.