Home / 4,628.73-6,387.59-2,639.28

Finding the Fourth Proportional to 4,628.73, 6,387.59 and 2,639.28

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Solution

The fourth proportional to 4,628.73, 6,387.59 and 2,639.28 is: 3,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.73 : 6,387.59 = 2,639.28 : x
  2. Step 2: Convert to fraction form
    4,628.73/6,387.59 = 2,639.28/x
  3. Step 3: Cross multiply
    4,628.73x = 6,387.59 × 2,639.28
  4. Step 4: Simplify right side
    4,628.73x = 16,858,645.13
  5. Step 5: Solve for x
    x = 16,858,645.13/4,628.73
  6. Step 6: Final answer
    x = 3,642.18

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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.