Home / 4,919.71-7,380.51-1,588.85

Finding the Fourth Proportional to 4,919.71, 7,380.51 and 1,588.85

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Solution

The fourth proportional to 4,919.71, 7,380.51 and 1,588.85 is: 2,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.71 : 7,380.51 = 1,588.85 : x
  2. Step 2: Convert to fraction form
    4,919.71/7,380.51 = 1,588.85/x
  3. Step 3: Cross multiply
    4,919.71x = 7,380.51 × 1,588.85
  4. Step 4: Simplify right side
    4,919.71x = 11,726,523.31
  5. Step 5: Solve for x
    x = 11,726,523.31/4,919.71
  6. Step 6: Final answer
    x = 2,383.58

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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.