Home / 8,671.14-12,995.37-3,480.66

Finding the Fourth Proportional to 8,671.14, 12,995.37 and 3,480.66

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Solution

The fourth proportional to 8,671.14, 12,995.37 and 3,480.66 is: 5,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.14 : 12,995.37 = 3,480.66 : x
  2. Step 2: Convert to fraction form
    8,671.14/12,995.37 = 3,480.66/x
  3. Step 3: Cross multiply
    8,671.14x = 12,995.37 × 3,480.66
  4. Step 4: Simplify right side
    8,671.14x = 45,232,464.54
  5. Step 5: Solve for x
    x = 45,232,464.54/8,671.14
  6. Step 6: Final answer
    x = 5,216.44

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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.