Home / 5,137.20-7,703.10-1,849.80

Finding the Fourth Proportional to 5,137.20, 7,703.10 and 1,849.80

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Solution

The fourth proportional to 5,137.20, 7,703.10 and 1,849.80 is: 2,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.20 : 7,703.10 = 1,849.80 : x
  2. Step 2: Convert to fraction form
    5,137.20/7,703.10 = 1,849.80/x
  3. Step 3: Cross multiply
    5,137.20x = 7,703.10 × 1,849.80
  4. Step 4: Simplify right side
    5,137.20x = 14,249,194.38
  5. Step 5: Solve for x
    x = 14,249,194.38/5,137.20
  6. Step 6: Final answer
    x = 2,773.73

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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.