Home / 4,628.84-6,387.66-2,639.27

Finding the Fourth Proportional to 4,628.84, 6,387.66 and 2,639.27

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Solution

The fourth proportional to 4,628.84, 6,387.66 and 2,639.27 is: 3,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.84 : 6,387.66 = 2,639.27 : x
  2. Step 2: Convert to fraction form
    4,628.84/6,387.66 = 2,639.27/x
  3. Step 3: Cross multiply
    4,628.84x = 6,387.66 × 2,639.27
  4. Step 4: Simplify right side
    4,628.84x = 16,858,727.47
  5. Step 5: Solve for x
    x = 16,858,727.47/4,628.84
  6. Step 6: Final answer
    x = 3,642.11

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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.