Home / 4,689.42-7,029.24-2,500.80

Finding the Fourth Proportional to 4,689.42, 7,029.24 and 2,500.80

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Solution

The fourth proportional to 4,689.42, 7,029.24 and 2,500.80 is: 3,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.42 : 7,029.24 = 2,500.80 : x
  2. Step 2: Convert to fraction form
    4,689.42/7,029.24 = 2,500.80/x
  3. Step 3: Cross multiply
    4,689.42x = 7,029.24 × 2,500.80
  4. Step 4: Simplify right side
    4,689.42x = 17,578,723.39
  5. Step 5: Solve for x
    x = 17,578,723.39/4,689.42
  6. Step 6: Final answer
    x = 3,748.59

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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.