Home / 5,018.49-7,520.76-4,151.43

Finding the Fourth Proportional to 5,018.49, 7,520.76 and 4,151.43

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Solution

The fourth proportional to 5,018.49, 7,520.76 and 4,151.43 is: 6,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.49 : 7,520.76 = 4,151.43 : x
  2. Step 2: Convert to fraction form
    5,018.49/7,520.76 = 4,151.43/x
  3. Step 3: Cross multiply
    5,018.49x = 7,520.76 × 4,151.43
  4. Step 4: Simplify right side
    5,018.49x = 31,221,908.69
  5. Step 5: Solve for x
    x = 31,221,908.69/5,018.49
  6. Step 6: Final answer
    x = 6,221.38

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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.