Home / 4,987.72-6,879.90-3,568.60

Finding the Fourth Proportional to 4,987.72, 6,879.90 and 3,568.60

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Solution

The fourth proportional to 4,987.72, 6,879.90 and 3,568.60 is: 4,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.72 : 6,879.90 = 3,568.60 : x
  2. Step 2: Convert to fraction form
    4,987.72/6,879.90 = 3,568.60/x
  3. Step 3: Cross multiply
    4,987.72x = 6,879.90 × 3,568.60
  4. Step 4: Simplify right side
    4,987.72x = 24,551,611.14
  5. Step 5: Solve for x
    x = 24,551,611.14/4,987.72
  6. Step 6: Final answer
    x = 4,922.41

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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.