Home / 4,680.57-7,020.81-1,906.59

Finding the Fourth Proportional to 4,680.57, 7,020.81 and 1,906.59

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Solution

The fourth proportional to 4,680.57, 7,020.81 and 1,906.59 is: 2,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.57 : 7,020.81 = 1,906.59 : x
  2. Step 2: Convert to fraction form
    4,680.57/7,020.81 = 1,906.59/x
  3. Step 3: Cross multiply
    4,680.57x = 7,020.81 × 1,906.59
  4. Step 4: Simplify right side
    4,680.57x = 13,385,806.14
  5. Step 5: Solve for x
    x = 13,385,806.14/4,680.57
  6. Step 6: Final answer
    x = 2,859.87

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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.