Home / 4,631.36-6,391.22-2,641.91

Finding the Fourth Proportional to 4,631.36, 6,391.22 and 2,641.91

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Solution

The fourth proportional to 4,631.36, 6,391.22 and 2,641.91 is: 3,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.36 : 6,391.22 = 2,641.91 : x
  2. Step 2: Convert to fraction form
    4,631.36/6,391.22 = 2,641.91/x
  3. Step 3: Cross multiply
    4,631.36x = 6,391.22 × 2,641.91
  4. Step 4: Simplify right side
    4,631.36x = 16,884,982.86
  5. Step 5: Solve for x
    x = 16,884,982.86/4,631.36
  6. Step 6: Final answer
    x = 3,645.80

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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.