Home / 5,050.96-7,572.16-2,131.28

Finding the Fourth Proportional to 5,050.96, 7,572.16 and 2,131.28

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Solution

The fourth proportional to 5,050.96, 7,572.16 and 2,131.28 is: 3,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.96 : 7,572.16 = 2,131.28 : x
  2. Step 2: Convert to fraction form
    5,050.96/7,572.16 = 2,131.28/x
  3. Step 3: Cross multiply
    5,050.96x = 7,572.16 × 2,131.28
  4. Step 4: Simplify right side
    5,050.96x = 16,138,393.16
  5. Step 5: Solve for x
    x = 16,138,393.16/5,050.96
  6. Step 6: Final answer
    x = 3,195.11

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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.