Home / 5,415.44-8,121.48-1,952.24

Finding the Fourth Proportional to 5,415.44, 8,121.48 and 1,952.24

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Solution

The fourth proportional to 5,415.44, 8,121.48 and 1,952.24 is: 2,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.44 : 8,121.48 = 1,952.24 : x
  2. Step 2: Convert to fraction form
    5,415.44/8,121.48 = 1,952.24/x
  3. Step 3: Cross multiply
    5,415.44x = 8,121.48 × 1,952.24
  4. Step 4: Simplify right side
    5,415.44x = 15,855,078.12
  5. Step 5: Solve for x
    x = 15,855,078.12/5,415.44
  6. Step 6: Final answer
    x = 2,927.75

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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.