Home / 5,449.44-8,175.37-1,986.69

Finding the Fourth Proportional to 5,449.44, 8,175.37 and 1,986.69

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Solution

The fourth proportional to 5,449.44, 8,175.37 and 1,986.69 is: 2,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.44 : 8,175.37 = 1,986.69 : x
  2. Step 2: Convert to fraction form
    5,449.44/8,175.37 = 1,986.69/x
  3. Step 3: Cross multiply
    5,449.44x = 8,175.37 × 1,986.69
  4. Step 4: Simplify right side
    5,449.44x = 16,241,925.83
  5. Step 5: Solve for x
    x = 16,241,925.83/5,449.44
  6. Step 6: Final answer
    x = 2,980.48

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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.