Home / 4,757.48-7,137.91-2,124.75

Finding the Fourth Proportional to 4,757.48, 7,137.91 and 2,124.75

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Solution

The fourth proportional to 4,757.48, 7,137.91 and 2,124.75 is: 3,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.48 : 7,137.91 = 2,124.75 : x
  2. Step 2: Convert to fraction form
    4,757.48/7,137.91 = 2,124.75/x
  3. Step 3: Cross multiply
    4,757.48x = 7,137.91 × 2,124.75
  4. Step 4: Simplify right side
    4,757.48x = 15,166,274.27
  5. Step 5: Solve for x
    x = 15,166,274.27/4,757.48
  6. Step 6: Final answer
    x = 3,187.88

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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.