Home / 4,694.64-7,048.86-2,618.70

Finding the Fourth Proportional to 4,694.64, 7,048.86 and 2,618.70

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Solution

The fourth proportional to 4,694.64, 7,048.86 and 2,618.70 is: 3,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.64 : 7,048.86 = 2,618.70 : x
  2. Step 2: Convert to fraction form
    4,694.64/7,048.86 = 2,618.70/x
  3. Step 3: Cross multiply
    4,694.64x = 7,048.86 × 2,618.70
  4. Step 4: Simplify right side
    4,694.64x = 18,458,849.68
  5. Step 5: Solve for x
    x = 18,458,849.68/4,694.64
  6. Step 6: Final answer
    x = 3,931.90

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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.