Home / 4,628.62-6,387.49-2,639.18

Finding the Fourth Proportional to 4,628.62, 6,387.49 and 2,639.18

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Solution

The fourth proportional to 4,628.62, 6,387.49 and 2,639.18 is: 3,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.62 : 6,387.49 = 2,639.18 : x
  2. Step 2: Convert to fraction form
    4,628.62/6,387.49 = 2,639.18/x
  3. Step 3: Cross multiply
    4,628.62x = 6,387.49 × 2,639.18
  4. Step 4: Simplify right side
    4,628.62x = 16,857,735.86
  5. Step 5: Solve for x
    x = 16,857,735.86/4,628.62
  6. Step 6: Final answer
    x = 3,642.07

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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.