Home / 5,987.12-8,260.82-3,629.20

Finding the Fourth Proportional to 5,987.12, 8,260.82 and 3,629.20

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Solution

The fourth proportional to 5,987.12, 8,260.82 and 3,629.20 is: 5,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.12 : 8,260.82 = 3,629.20 : x
  2. Step 2: Convert to fraction form
    5,987.12/8,260.82 = 3,629.20/x
  3. Step 3: Cross multiply
    5,987.12x = 8,260.82 × 3,629.20
  4. Step 4: Simplify right side
    5,987.12x = 29,980,167.94
  5. Step 5: Solve for x
    x = 29,980,167.94/5,987.12
  6. Step 6: Final answer
    x = 5,007.44

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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.