Home / 4,640.45-6,403.77-2,650.86

Finding the Fourth Proportional to 4,640.45, 6,403.77 and 2,650.86

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Solution

The fourth proportional to 4,640.45, 6,403.77 and 2,650.86 is: 3,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.45 : 6,403.77 = 2,650.86 : x
  2. Step 2: Convert to fraction form
    4,640.45/6,403.77 = 2,650.86/x
  3. Step 3: Cross multiply
    4,640.45x = 6,403.77 × 2,650.86
  4. Step 4: Simplify right side
    4,640.45x = 16,975,497.74
  5. Step 5: Solve for x
    x = 16,975,497.74/4,640.45
  6. Step 6: Final answer
    x = 3,658.16

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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.