Home / 5,987.56-8,260.26-3,891.88

Finding the Fourth Proportional to 5,987.56, 8,260.26 and 3,891.88

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Solution

The fourth proportional to 5,987.56, 8,260.26 and 3,891.88 is: 5,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.56 : 8,260.26 = 3,891.88 : x
  2. Step 2: Convert to fraction form
    5,987.56/8,260.26 = 3,891.88/x
  3. Step 3: Cross multiply
    5,987.56x = 8,260.26 × 3,891.88
  4. Step 4: Simplify right side
    5,987.56x = 32,147,940.69
  5. Step 5: Solve for x
    x = 32,147,940.69/5,987.56
  6. Step 6: Final answer
    x = 5,369.12

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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.