Home / 5,406.94-8,105.53-1,943.38

Finding the Fourth Proportional to 5,406.94, 8,105.53 and 1,943.38

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Solution

The fourth proportional to 5,406.94, 8,105.53 and 1,943.38 is: 2,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.94 : 8,105.53 = 1,943.38 : x
  2. Step 2: Convert to fraction form
    5,406.94/8,105.53 = 1,943.38/x
  3. Step 3: Cross multiply
    5,406.94x = 8,105.53 × 1,943.38
  4. Step 4: Simplify right side
    5,406.94x = 15,752,124.89
  5. Step 5: Solve for x
    x = 15,752,124.89/5,406.94
  6. Step 6: Final answer
    x = 2,913.32

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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.