Home / 6,600.89-9,109.08-3,729.35

Finding the Fourth Proportional to 6,600.89, 9,109.08 and 3,729.35

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Solution

The fourth proportional to 6,600.89, 9,109.08 and 3,729.35 is: 5,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.89 : 9,109.08 = 3,729.35 : x
  2. Step 2: Convert to fraction form
    6,600.89/9,109.08 = 3,729.35/x
  3. Step 3: Cross multiply
    6,600.89x = 9,109.08 × 3,729.35
  4. Step 4: Simplify right side
    6,600.89x = 33,970,947.50
  5. Step 5: Solve for x
    x = 33,970,947.50/6,600.89
  6. Step 6: Final answer
    x = 5,146.42

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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.