Home / 8,272.58-12,407.40-2,427.82

Finding the Fourth Proportional to 8,272.58, 12,407.40 and 2,427.82

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Solution

The fourth proportional to 8,272.58, 12,407.40 and 2,427.82 is: 3,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.58 : 12,407.40 = 2,427.82 : x
  2. Step 2: Convert to fraction form
    8,272.58/12,407.40 = 2,427.82/x
  3. Step 3: Cross multiply
    8,272.58x = 12,407.40 × 2,427.82
  4. Step 4: Simplify right side
    8,272.58x = 30,122,933.87
  5. Step 5: Solve for x
    x = 30,122,933.87/8,272.58
  6. Step 6: Final answer
    x = 3,641.30

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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.