Home / 5,120.94-7,683.12-1,834.98

Finding the Fourth Proportional to 5,120.94, 7,683.12 and 1,834.98

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Solution

The fourth proportional to 5,120.94, 7,683.12 and 1,834.98 is: 2,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.94 : 7,683.12 = 1,834.98 : x
  2. Step 2: Convert to fraction form
    5,120.94/7,683.12 = 1,834.98/x
  3. Step 3: Cross multiply
    5,120.94x = 7,683.12 × 1,834.98
  4. Step 4: Simplify right side
    5,120.94x = 14,098,371.54
  5. Step 5: Solve for x
    x = 14,098,371.54/5,120.94
  6. Step 6: Final answer
    x = 2,753.08

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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.