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Finding the Fourth Proportional to 4,766.06, 7,149.06 and 1,208.18

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Solution

The fourth proportional to 4,766.06, 7,149.06 and 1,208.18 is: 1,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.06 : 7,149.06 = 1,208.18 : x
  2. Step 2: Convert to fraction form
    4,766.06/7,149.06 = 1,208.18/x
  3. Step 3: Cross multiply
    4,766.06x = 7,149.06 × 1,208.18
  4. Step 4: Simplify right side
    4,766.06x = 8,637,315.57
  5. Step 5: Solve for x
    x = 8,637,315.57/4,766.06
  6. Step 6: Final answer
    x = 1,812.26

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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.