Home / 5,053.32-7,579.92-2,131.56

Finding the Fourth Proportional to 5,053.32, 7,579.92 and 2,131.56

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Solution

The fourth proportional to 5,053.32, 7,579.92 and 2,131.56 is: 3,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.32 : 7,579.92 = 2,131.56 : x
  2. Step 2: Convert to fraction form
    5,053.32/7,579.92 = 2,131.56/x
  3. Step 3: Cross multiply
    5,053.32x = 7,579.92 × 2,131.56
  4. Step 4: Simplify right side
    5,053.32x = 16,157,054.28
  5. Step 5: Solve for x
    x = 16,157,054.28/5,053.32
  6. Step 6: Final answer
    x = 3,197.31

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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.