Home / 8,766.21-13,149.43-2,922.82

Finding the Fourth Proportional to 8,766.21, 13,149.43 and 2,922.82

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Solution

The fourth proportional to 8,766.21, 13,149.43 and 2,922.82 is: 4,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.21 : 13,149.43 = 2,922.82 : x
  2. Step 2: Convert to fraction form
    8,766.21/13,149.43 = 2,922.82/x
  3. Step 3: Cross multiply
    8,766.21x = 13,149.43 × 2,922.82
  4. Step 4: Simplify right side
    8,766.21x = 38,433,437.08
  5. Step 5: Solve for x
    x = 38,433,437.08/8,766.21
  6. Step 6: Final answer
    x = 4,384.27

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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.