Home / 4,639.85-6,403.25-2,650.82

Finding the Fourth Proportional to 4,639.85, 6,403.25 and 2,650.82

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Solution

The fourth proportional to 4,639.85, 6,403.25 and 2,650.82 is: 3,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.85 : 6,403.25 = 2,650.82 : x
  2. Step 2: Convert to fraction form
    4,639.85/6,403.25 = 2,650.82/x
  3. Step 3: Cross multiply
    4,639.85x = 6,403.25 × 2,650.82
  4. Step 4: Simplify right side
    4,639.85x = 16,973,837.78
  5. Step 5: Solve for x
    x = 16,973,837.78/4,639.85
  6. Step 6: Final answer
    x = 3,658.28

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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.