Home / 5,618.25-7,754.58-3,261.78

Finding the Fourth Proportional to 5,618.25, 7,754.58 and 3,261.78

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Solution

The fourth proportional to 5,618.25, 7,754.58 and 3,261.78 is: 4,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.25 : 7,754.58 = 3,261.78 : x
  2. Step 2: Convert to fraction form
    5,618.25/7,754.58 = 3,261.78/x
  3. Step 3: Cross multiply
    5,618.25x = 7,754.58 × 3,261.78
  4. Step 4: Simplify right side
    5,618.25x = 25,293,733.95
  5. Step 5: Solve for x
    x = 25,293,733.95/5,618.25
  6. Step 6: Final answer
    x = 4,502.07

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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.