Home / 7,272.32-10,035.84-4,249.20

Finding the Fourth Proportional to 7,272.32, 10,035.84 and 4,249.20

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Solution

The fourth proportional to 7,272.32, 10,035.84 and 4,249.20 is: 5,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.32 : 10,035.84 = 4,249.20 : x
  2. Step 2: Convert to fraction form
    7,272.32/10,035.84 = 4,249.20/x
  3. Step 3: Cross multiply
    7,272.32x = 10,035.84 × 4,249.20
  4. Step 4: Simplify right side
    7,272.32x = 42,644,291.33
  5. Step 5: Solve for x
    x = 42,644,291.33/7,272.32
  6. Step 6: Final answer
    x = 5,863.92

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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.