Home / 8,439.94-12,656.26-2,893.83

Finding the Fourth Proportional to 8,439.94, 12,656.26 and 2,893.83

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Solution

The fourth proportional to 8,439.94, 12,656.26 and 2,893.83 is: 4,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.94 : 12,656.26 = 2,893.83 : x
  2. Step 2: Convert to fraction form
    8,439.94/12,656.26 = 2,893.83/x
  3. Step 3: Cross multiply
    8,439.94x = 12,656.26 × 2,893.83
  4. Step 4: Simplify right side
    8,439.94x = 36,625,064.88
  5. Step 5: Solve for x
    x = 36,625,064.88/8,439.94
  6. Step 6: Final answer
    x = 4,339.49

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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.