Home / 4,074.18-5,618.59-3,188.44

Finding the Fourth Proportional to 4,074.18, 5,618.59 and 3,188.44

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Solution

The fourth proportional to 4,074.18, 5,618.59 and 3,188.44 is: 4,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.18 : 5,618.59 = 3,188.44 : x
  2. Step 2: Convert to fraction form
    4,074.18/5,618.59 = 3,188.44/x
  3. Step 3: Cross multiply
    4,074.18x = 5,618.59 × 3,188.44
  4. Step 4: Simplify right side
    4,074.18x = 17,914,537.10
  5. Step 5: Solve for x
    x = 17,914,537.10/4,074.18
  6. Step 6: Final answer
    x = 4,397.09

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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.