Home / 8,766.14-13,141.40-3,218.21

Finding the Fourth Proportional to 8,766.14, 13,141.40 and 3,218.21

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Solution

The fourth proportional to 8,766.14, 13,141.40 and 3,218.21 is: 4,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.14 : 13,141.40 = 3,218.21 : x
  2. Step 2: Convert to fraction form
    8,766.14/13,141.40 = 3,218.21/x
  3. Step 3: Cross multiply
    8,766.14x = 13,141.40 × 3,218.21
  4. Step 4: Simplify right side
    8,766.14x = 42,291,768.80
  5. Step 5: Solve for x
    x = 42,291,768.80/8,766.14
  6. Step 6: Final answer
    x = 4,824.45

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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.