Home / 7,424.19-10,245.69-4,067.28

Finding the Fourth Proportional to 7,424.19, 10,245.69 and 4,067.28

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Solution

The fourth proportional to 7,424.19, 10,245.69 and 4,067.28 is: 5,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.19 : 10,245.69 = 4,067.28 : x
  2. Step 2: Convert to fraction form
    7,424.19/10,245.69 = 4,067.28/x
  3. Step 3: Cross multiply
    7,424.19x = 10,245.69 × 4,067.28
  4. Step 4: Simplify right side
    7,424.19x = 41,672,090.02
  5. Step 5: Solve for x
    x = 41,672,090.02/7,424.19
  6. Step 6: Final answer
    x = 5,613.02

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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.