Home / 4,725.03-6,520.60-2,600.78

Finding the Fourth Proportional to 4,725.03, 6,520.60 and 2,600.78

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Solution

The fourth proportional to 4,725.03, 6,520.60 and 2,600.78 is: 3,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.03 : 6,520.60 = 2,600.78 : x
  2. Step 2: Convert to fraction form
    4,725.03/6,520.60 = 2,600.78/x
  3. Step 3: Cross multiply
    4,725.03x = 6,520.60 × 2,600.78
  4. Step 4: Simplify right side
    4,725.03x = 16,958,671.73
  5. Step 5: Solve for x
    x = 16,958,671.73/4,725.03
  6. Step 6: Final answer
    x = 3,589.11

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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.