Home / 4,630.92-6,390.84-2,641.80

Finding the Fourth Proportional to 4,630.92, 6,390.84 and 2,641.80

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Solution

The fourth proportional to 4,630.92, 6,390.84 and 2,641.80 is: 3,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.92 : 6,390.84 = 2,641.80 : x
  2. Step 2: Convert to fraction form
    4,630.92/6,390.84 = 2,641.80/x
  3. Step 3: Cross multiply
    4,630.92x = 6,390.84 × 2,641.80
  4. Step 4: Simplify right side
    4,630.92x = 16,883,321.11
  5. Step 5: Solve for x
    x = 16,883,321.11/4,630.92
  6. Step 6: Final answer
    x = 3,645.78

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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.