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Finding the Fourth Proportional to 8,015.58, 12,025.80 and 3,854.41

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Solution

The fourth proportional to 8,015.58, 12,025.80 and 3,854.41 is: 5,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.58 : 12,025.80 = 3,854.41 : x
  2. Step 2: Convert to fraction form
    8,015.58/12,025.80 = 3,854.41/x
  3. Step 3: Cross multiply
    8,015.58x = 12,025.80 × 3,854.41
  4. Step 4: Simplify right side
    8,015.58x = 46,352,333.71
  5. Step 5: Solve for x
    x = 46,352,333.71/8,015.58
  6. Step 6: Final answer
    x = 5,782.78

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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.