Home / 8,711.31-13,066.95-3,163.62

Finding the Fourth Proportional to 8,711.31, 13,066.95 and 3,163.62

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Solution

The fourth proportional to 8,711.31, 13,066.95 and 3,163.62 is: 4,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.31 : 13,066.95 = 3,163.62 : x
  2. Step 2: Convert to fraction form
    8,711.31/13,066.95 = 3,163.62/x
  3. Step 3: Cross multiply
    8,711.31x = 13,066.95 × 3,163.62
  4. Step 4: Simplify right side
    8,711.31x = 41,338,864.36
  5. Step 5: Solve for x
    x = 41,338,864.36/8,711.31
  6. Step 6: Final answer
    x = 4,745.42

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1.5x scale

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.