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Finding the Fourth Proportional to 4,865.33, 6,706.09 and 3,447.20

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Solution

The fourth proportional to 4,865.33, 6,706.09 and 3,447.20 is: 4,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.33 : 6,706.09 = 3,447.20 : x
  2. Step 2: Convert to fraction form
    4,865.33/6,706.09 = 3,447.20/x
  3. Step 3: Cross multiply
    4,865.33x = 6,706.09 × 3,447.20
  4. Step 4: Simplify right side
    4,865.33x = 23,117,233.45
  5. Step 5: Solve for x
    x = 23,117,233.45/4,865.33
  6. Step 6: Final answer
    x = 4,751.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.