Home / 4,891.64-7,338.45-1,604.39

Finding the Fourth Proportional to 4,891.64, 7,338.45 and 1,604.39

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Solution

The fourth proportional to 4,891.64, 7,338.45 and 1,604.39 is: 2,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.64 : 7,338.45 = 1,604.39 : x
  2. Step 2: Convert to fraction form
    4,891.64/7,338.45 = 1,604.39/x
  3. Step 3: Cross multiply
    4,891.64x = 7,338.45 × 1,604.39
  4. Step 4: Simplify right side
    4,891.64x = 11,773,735.80
  5. Step 5: Solve for x
    x = 11,773,735.80/4,891.64
  6. Step 6: Final answer
    x = 2,406.91

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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.