Home / 5,234.12-7,223.28-3,137.84

Finding the Fourth Proportional to 5,234.12, 7,223.28 and 3,137.84

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Solution

The fourth proportional to 5,234.12, 7,223.28 and 3,137.84 is: 4,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.12 : 7,223.28 = 3,137.84 : x
  2. Step 2: Convert to fraction form
    5,234.12/7,223.28 = 3,137.84/x
  3. Step 3: Cross multiply
    5,234.12x = 7,223.28 × 3,137.84
  4. Step 4: Simplify right side
    5,234.12x = 22,665,496.92
  5. Step 5: Solve for x
    x = 22,665,496.92/5,234.12
  6. Step 6: Final answer
    x = 4,330.34

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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.