Home / 5,912.75-8,860.88-2,987.64

Finding the Fourth Proportional to 5,912.75, 8,860.88 and 2,987.64

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Solution

The fourth proportional to 5,912.75, 8,860.88 and 2,987.64 is: 4,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.75 : 8,860.88 = 2,987.64 : x
  2. Step 2: Convert to fraction form
    5,912.75/8,860.88 = 2,987.64/x
  3. Step 3: Cross multiply
    5,912.75x = 8,860.88 × 2,987.64
  4. Step 4: Simplify right side
    5,912.75x = 26,473,104.59
  5. Step 5: Solve for x
    x = 26,473,104.59/5,912.75
  6. Step 6: Final answer
    x = 4,477.30

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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.