Home / 8,427.30-12,615.99-6,245.82

Finding the Fourth Proportional to 8,427.30, 12,615.99 and 6,245.82

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Solution

The fourth proportional to 8,427.30, 12,615.99 and 6,245.82 is: 9,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.30 : 12,615.99 = 6,245.82 : x
  2. Step 2: Convert to fraction form
    8,427.30/12,615.99 = 6,245.82/x
  3. Step 3: Cross multiply
    8,427.30x = 12,615.99 × 6,245.82
  4. Step 4: Simplify right side
    8,427.30x = 78,797,202.66
  5. Step 5: Solve for x
    x = 78,797,202.66/8,427.30
  6. Step 6: Final answer
    x = 9,350.23

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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.