Home / 4,625.60-6,380.72-2,855.94

Finding the Fourth Proportional to 4,625.60, 6,380.72 and 2,855.94

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Solution

The fourth proportional to 4,625.60, 6,380.72 and 2,855.94 is: 3,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.60 : 6,380.72 = 2,855.94 : x
  2. Step 2: Convert to fraction form
    4,625.60/6,380.72 = 2,855.94/x
  3. Step 3: Cross multiply
    4,625.60x = 6,380.72 × 2,855.94
  4. Step 4: Simplify right side
    4,625.60x = 18,222,953.48
  5. Step 5: Solve for x
    x = 18,222,953.48/4,625.60
  6. Step 6: Final answer
    x = 3,939.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.