Home / 4,639.92-6,950.61-2,790.02

Finding the Fourth Proportional to 4,639.92, 6,950.61 and 2,790.02

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Solution

The fourth proportional to 4,639.92, 6,950.61 and 2,790.02 is: 4,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.92 : 6,950.61 = 2,790.02 : x
  2. Step 2: Convert to fraction form
    4,639.92/6,950.61 = 2,790.02/x
  3. Step 3: Cross multiply
    4,639.92x = 6,950.61 × 2,790.02
  4. Step 4: Simplify right side
    4,639.92x = 19,392,326.96
  5. Step 5: Solve for x
    x = 19,392,326.96/4,639.92
  6. Step 6: Final answer
    x = 4,179.45

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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.