Home / 4,688.57-7,029.38-2,839.24

Finding the Fourth Proportional to 4,688.57, 7,029.38 and 2,839.24

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Solution

The fourth proportional to 4,688.57, 7,029.38 and 2,839.24 is: 4,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.57 : 7,029.38 = 2,839.24 : x
  2. Step 2: Convert to fraction form
    4,688.57/7,029.38 = 2,839.24/x
  3. Step 3: Cross multiply
    4,688.57x = 7,029.38 × 2,839.24
  4. Step 4: Simplify right side
    4,688.57x = 19,958,096.87
  5. Step 5: Solve for x
    x = 19,958,096.87/4,688.57
  6. Step 6: Final answer
    x = 4,256.76

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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.