Home / 6,963.86-10,447.31-3,455.80

Finding the Fourth Proportional to 6,963.86, 10,447.31 and 3,455.80

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Solution

The fourth proportional to 6,963.86, 10,447.31 and 3,455.80 is: 5,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.86 : 10,447.31 = 3,455.80 : x
  2. Step 2: Convert to fraction form
    6,963.86/10,447.31 = 3,455.80/x
  3. Step 3: Cross multiply
    6,963.86x = 10,447.31 × 3,455.80
  4. Step 4: Simplify right side
    6,963.86x = 36,103,796.42
  5. Step 5: Solve for x
    x = 36,103,796.42/6,963.86
  6. Step 6: Final answer
    x = 5,184.45

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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.