Home / 4,781.33-7,171.99-2,930.58

Finding the Fourth Proportional to 4,781.33, 7,171.99 and 2,930.58

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Solution

The fourth proportional to 4,781.33, 7,171.99 and 2,930.58 is: 4,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.33 : 7,171.99 = 2,930.58 : x
  2. Step 2: Convert to fraction form
    4,781.33/7,171.99 = 2,930.58/x
  3. Step 3: Cross multiply
    4,781.33x = 7,171.99 × 2,930.58
  4. Step 4: Simplify right side
    4,781.33x = 21,018,099.61
  5. Step 5: Solve for x
    x = 21,018,099.61/4,781.33
  6. Step 6: Final answer
    x = 4,395.87

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1.5x scale

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.