Home / 4,628.77-6,387.83-2,860.21

Finding the Fourth Proportional to 4,628.77, 6,387.83 and 2,860.21

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Solution

The fourth proportional to 4,628.77, 6,387.83 and 2,860.21 is: 3,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.77 : 6,387.83 = 2,860.21 : x
  2. Step 2: Convert to fraction form
    4,628.77/6,387.83 = 2,860.21/x
  3. Step 3: Cross multiply
    4,628.77x = 6,387.83 × 2,860.21
  4. Step 4: Simplify right side
    4,628.77x = 18,270,520.94
  5. Step 5: Solve for x
    x = 18,270,520.94/4,628.77
  6. Step 6: Final answer
    x = 3,947.17

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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.