Home / 5,912.50-8,860.51-2,987.39

Finding the Fourth Proportional to 5,912.50, 8,860.51 and 2,987.39

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Solution

The fourth proportional to 5,912.50, 8,860.51 and 2,987.39 is: 4,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.50 : 8,860.51 = 2,987.39 : x
  2. Step 2: Convert to fraction form
    5,912.50/8,860.51 = 2,987.39/x
  3. Step 3: Cross multiply
    5,912.50x = 8,860.51 × 2,987.39
  4. Step 4: Simplify right side
    5,912.50x = 26,469,739.73
  5. Step 5: Solve for x
    x = 26,469,739.73/5,912.50
  6. Step 6: Final answer
    x = 4,476.92

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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.