Home / 5,911.26-8,867.46-2,987.70

Finding the Fourth Proportional to 5,911.26, 8,867.46 and 2,987.70

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Solution

The fourth proportional to 5,911.26, 8,867.46 and 2,987.70 is: 4,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.26 : 8,867.46 = 2,987.70 : x
  2. Step 2: Convert to fraction form
    5,911.26/8,867.46 = 2,987.70/x
  3. Step 3: Cross multiply
    5,911.26x = 8,867.46 × 2,987.70
  4. Step 4: Simplify right side
    5,911.26x = 26,493,310.24
  5. Step 5: Solve for x
    x = 26,493,310.24/5,911.26
  6. Step 6: Final answer
    x = 4,481.84

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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.