Home / 4,628.57-6,943.89-2,162.05

Finding the Fourth Proportional to 4,628.57, 6,943.89 and 2,162.05

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Solution

The fourth proportional to 4,628.57, 6,943.89 and 2,162.05 is: 3,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.57 : 6,943.89 = 2,162.05 : x
  2. Step 2: Convert to fraction form
    4,628.57/6,943.89 = 2,162.05/x
  3. Step 3: Cross multiply
    4,628.57x = 6,943.89 × 2,162.05
  4. Step 4: Simplify right side
    4,628.57x = 15,013,037.37
  5. Step 5: Solve for x
    x = 15,013,037.37/4,628.57
  6. Step 6: Final answer
    x = 3,243.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.