Home / 4,639.77-6,403.23-2,650.64

Finding the Fourth Proportional to 4,639.77, 6,403.23 and 2,650.64

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Solution

The fourth proportional to 4,639.77, 6,403.23 and 2,650.64 is: 3,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.77 : 6,403.23 = 2,650.64 : x
  2. Step 2: Convert to fraction form
    4,639.77/6,403.23 = 2,650.64/x
  3. Step 3: Cross multiply
    4,639.77x = 6,403.23 × 2,650.64
  4. Step 4: Simplify right side
    4,639.77x = 16,972,625.55
  5. Step 5: Solve for x
    x = 16,972,625.55/4,639.77
  6. Step 6: Final answer
    x = 3,658.07

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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.