Home / 4,631.25-6,391.13-2,641.75

Finding the Fourth Proportional to 4,631.25, 6,391.13 and 2,641.75

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Solution

The fourth proportional to 4,631.25, 6,391.13 and 2,641.75 is: 3,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.25 : 6,391.13 = 2,641.75 : x
  2. Step 2: Convert to fraction form
    4,631.25/6,391.13 = 2,641.75/x
  3. Step 3: Cross multiply
    4,631.25x = 6,391.13 × 2,641.75
  4. Step 4: Simplify right side
    4,631.25x = 16,883,767.68
  5. Step 5: Solve for x
    x = 16,883,767.68/4,631.25
  6. Step 6: Final answer
    x = 3,645.62

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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.