Home / 8,146.77-12,218.61-3,465.90

Finding the Fourth Proportional to 8,146.77, 12,218.61 and 3,465.90

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Solution

The fourth proportional to 8,146.77, 12,218.61 and 3,465.90 is: 5,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.77 : 12,218.61 = 3,465.90 : x
  2. Step 2: Convert to fraction form
    8,146.77/12,218.61 = 3,465.90/x
  3. Step 3: Cross multiply
    8,146.77x = 12,218.61 × 3,465.90
  4. Step 4: Simplify right side
    8,146.77x = 42,348,480.40
  5. Step 5: Solve for x
    x = 42,348,480.40/8,146.77
  6. Step 6: Final answer
    x = 5,198.19

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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.