Home / 7,514.44-11,268.24-3,129.28

Finding the Fourth Proportional to 7,514.44, 11,268.24 and 3,129.28

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Solution

The fourth proportional to 7,514.44, 11,268.24 and 3,129.28 is: 4,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.44 : 11,268.24 = 3,129.28 : x
  2. Step 2: Convert to fraction form
    7,514.44/11,268.24 = 3,129.28/x
  3. Step 3: Cross multiply
    7,514.44x = 11,268.24 × 3,129.28
  4. Step 4: Simplify right side
    7,514.44x = 35,261,478.07
  5. Step 5: Solve for x
    x = 35,261,478.07/7,514.44
  6. Step 6: Final answer
    x = 4,692.50

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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.