Home / 8,620.74-12,933.27-3,427.02

Finding the Fourth Proportional to 8,620.74, 12,933.27 and 3,427.02

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Solution

The fourth proportional to 8,620.74, 12,933.27 and 3,427.02 is: 5,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.74 : 12,933.27 = 3,427.02 : x
  2. Step 2: Convert to fraction form
    8,620.74/12,933.27 = 3,427.02/x
  3. Step 3: Cross multiply
    8,620.74x = 12,933.27 × 3,427.02
  4. Step 4: Simplify right side
    8,620.74x = 44,322,574.96
  5. Step 5: Solve for x
    x = 44,322,574.96/8,620.74
  6. Step 6: Final answer
    x = 5,141.39

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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.