Home / 8,789.90-13,184.85-2,950.61

Finding the Fourth Proportional to 8,789.90, 13,184.85 and 2,950.61

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Solution

The fourth proportional to 8,789.90, 13,184.85 and 2,950.61 is: 4,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.90 : 13,184.85 = 2,950.61 : x
  2. Step 2: Convert to fraction form
    8,789.90/13,184.85 = 2,950.61/x
  3. Step 3: Cross multiply
    8,789.90x = 13,184.85 × 2,950.61
  4. Step 4: Simplify right side
    8,789.90x = 38,903,284.33
  5. Step 5: Solve for x
    x = 38,903,284.33/8,789.90
  6. Step 6: Final answer
    x = 4,425.91

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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.