Home / 8,455.17-12,682.44-2,611.77

Finding the Fourth Proportional to 8,455.17, 12,682.44 and 2,611.77

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Solution

The fourth proportional to 8,455.17, 12,682.44 and 2,611.77 is: 3,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.17 : 12,682.44 = 2,611.77 : x
  2. Step 2: Convert to fraction form
    8,455.17/12,682.44 = 2,611.77/x
  3. Step 3: Cross multiply
    8,455.17x = 12,682.44 × 2,611.77
  4. Step 4: Simplify right side
    8,455.17x = 33,123,616.32
  5. Step 5: Solve for x
    x = 33,123,616.32/8,455.17
  6. Step 6: Final answer
    x = 3,917.56

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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.