Home / 5,228.32-7,212.36-4,234.72

Finding the Fourth Proportional to 5,228.32, 7,212.36 and 4,234.72

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Solution

The fourth proportional to 5,228.32, 7,212.36 and 4,234.72 is: 5,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.32 : 7,212.36 = 4,234.72 : x
  2. Step 2: Convert to fraction form
    5,228.32/7,212.36 = 4,234.72/x
  3. Step 3: Cross multiply
    5,228.32x = 7,212.36 × 4,234.72
  4. Step 4: Simplify right side
    5,228.32x = 30,542,325.14
  5. Step 5: Solve for x
    x = 30,542,325.14/5,228.32
  6. Step 6: Final answer
    x = 5,841.71

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Half scale
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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.