Home / 5,860.71-8,087.79-3,208.12

Finding the Fourth Proportional to 5,860.71, 8,087.79 and 3,208.12

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Solution

The fourth proportional to 5,860.71, 8,087.79 and 3,208.12 is: 4,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.71 : 8,087.79 = 3,208.12 : x
  2. Step 2: Convert to fraction form
    5,860.71/8,087.79 = 3,208.12/x
  3. Step 3: Cross multiply
    5,860.71x = 8,087.79 × 3,208.12
  4. Step 4: Simplify right side
    5,860.71x = 25,946,600.85
  5. Step 5: Solve for x
    x = 25,946,600.85/5,860.71
  6. Step 6: Final answer
    x = 4,427.21

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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.