Home / 5,238.43-7,230.57-3,115.46

Finding the Fourth Proportional to 5,238.43, 7,230.57 and 3,115.46

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Solution

The fourth proportional to 5,238.43, 7,230.57 and 3,115.46 is: 4,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.43 : 7,230.57 = 3,115.46 : x
  2. Step 2: Convert to fraction form
    5,238.43/7,230.57 = 3,115.46/x
  3. Step 3: Cross multiply
    5,238.43x = 7,230.57 × 3,115.46
  4. Step 4: Simplify right side
    5,238.43x = 22,526,499.88
  5. Step 5: Solve for x
    x = 22,526,499.88/5,238.43
  6. Step 6: Final answer
    x = 4,300.24

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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.