Home / 4,772.90-7,160.70-1,486.19

Finding the Fourth Proportional to 4,772.90, 7,160.70 and 1,486.19

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Solution

The fourth proportional to 4,772.90, 7,160.70 and 1,486.19 is: 2,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.90 : 7,160.70 = 1,486.19 : x
  2. Step 2: Convert to fraction form
    4,772.90/7,160.70 = 1,486.19/x
  3. Step 3: Cross multiply
    4,772.90x = 7,160.70 × 1,486.19
  4. Step 4: Simplify right side
    4,772.90x = 10,642,160.73
  5. Step 5: Solve for x
    x = 10,642,160.73/4,772.90
  6. Step 6: Final answer
    x = 2,229.71

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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.