Home / 8,451.42-12,677.82-2,904.77

Finding the Fourth Proportional to 8,451.42, 12,677.82 and 2,904.77

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Solution

The fourth proportional to 8,451.42, 12,677.82 and 2,904.77 is: 4,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.42 : 12,677.82 = 2,904.77 : x
  2. Step 2: Convert to fraction form
    8,451.42/12,677.82 = 2,904.77/x
  3. Step 3: Cross multiply
    8,451.42x = 12,677.82 × 2,904.77
  4. Step 4: Simplify right side
    8,451.42x = 36,826,136.68
  5. Step 5: Solve for x
    x = 36,826,136.68/8,451.42
  6. Step 6: Final answer
    x = 4,357.39

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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.