Home / 5,031.91-7,550.94-3,180.48

Finding the Fourth Proportional to 5,031.91, 7,550.94 and 3,180.48

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Solution

The fourth proportional to 5,031.91, 7,550.94 and 3,180.48 is: 4,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.91 : 7,550.94 = 3,180.48 : x
  2. Step 2: Convert to fraction form
    5,031.91/7,550.94 = 3,180.48/x
  3. Step 3: Cross multiply
    5,031.91x = 7,550.94 × 3,180.48
  4. Step 4: Simplify right side
    5,031.91x = 24,015,579.37
  5. Step 5: Solve for x
    x = 24,015,579.37/5,031.91
  6. Step 6: Final answer
    x = 4,772.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.