Home / 6,375.90-9,560.55-1,992.18

Finding the Fourth Proportional to 6,375.90, 9,560.55 and 1,992.18

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Solution

The fourth proportional to 6,375.90, 9,560.55 and 1,992.18 is: 2,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.90 : 9,560.55 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    6,375.90/9,560.55 = 1,992.18/x
  3. Step 3: Cross multiply
    6,375.90x = 9,560.55 × 1,992.18
  4. Step 4: Simplify right side
    6,375.90x = 19,046,336.50
  5. Step 5: Solve for x
    x = 19,046,336.50/6,375.90
  6. Step 6: Final answer
    x = 2,987.24

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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.