Home / 4,639.68-6,403.56-3,241.44

Finding the Fourth Proportional to 4,639.68, 6,403.56 and 3,241.44

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Solution

The fourth proportional to 4,639.68, 6,403.56 and 3,241.44 is: 4,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.68 : 6,403.56 = 3,241.44 : x
  2. Step 2: Convert to fraction form
    4,639.68/6,403.56 = 3,241.44/x
  3. Step 3: Cross multiply
    4,639.68x = 6,403.56 × 3,241.44
  4. Step 4: Simplify right side
    4,639.68x = 20,756,755.53
  5. Step 5: Solve for x
    x = 20,756,755.53/4,639.68
  6. Step 6: Final answer
    x = 4,473.75

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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.