Home / 5,121.24-7,682.56-1,835.24

Finding the Fourth Proportional to 5,121.24, 7,682.56 and 1,835.24

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Solution

The fourth proportional to 5,121.24, 7,682.56 and 1,835.24 is: 2,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.24 : 7,682.56 = 1,835.24 : x
  2. Step 2: Convert to fraction form
    5,121.24/7,682.56 = 1,835.24/x
  3. Step 3: Cross multiply
    5,121.24x = 7,682.56 × 1,835.24
  4. Step 4: Simplify right side
    5,121.24x = 14,099,341.41
  5. Step 5: Solve for x
    x = 14,099,341.41/5,121.24
  6. Step 6: Final answer
    x = 2,753.11

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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.