Home / 4,919.04-7,382.07-2,455.02

Finding the Fourth Proportional to 4,919.04, 7,382.07 and 2,455.02

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Solution

The fourth proportional to 4,919.04, 7,382.07 and 2,455.02 is: 3,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.04 : 7,382.07 = 2,455.02 : x
  2. Step 2: Convert to fraction form
    4,919.04/7,382.07 = 2,455.02/x
  3. Step 3: Cross multiply
    4,919.04x = 7,382.07 × 2,455.02
  4. Step 4: Simplify right side
    4,919.04x = 18,123,129.49
  5. Step 5: Solve for x
    x = 18,123,129.49/4,919.04
  6. Step 6: Final answer
    x = 3,684.28

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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.