Home / 4,919.81-7,377.75-1,799.10

Finding the Fourth Proportional to 4,919.81, 7,377.75 and 1,799.10

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Solution

The fourth proportional to 4,919.81, 7,377.75 and 1,799.10 is: 2,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.81 : 7,377.75 = 1,799.10 : x
  2. Step 2: Convert to fraction form
    4,919.81/7,377.75 = 1,799.10/x
  3. Step 3: Cross multiply
    4,919.81x = 7,377.75 × 1,799.10
  4. Step 4: Simplify right side
    4,919.81x = 13,273,310.03
  5. Step 5: Solve for x
    x = 13,273,310.03/4,919.81
  6. Step 6: Final answer
    x = 2,697.93

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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.