Home / 6,600.90-9,109.24-3,616.92

Finding the Fourth Proportional to 6,600.90, 9,109.24 and 3,616.92

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Solution

The fourth proportional to 6,600.90, 9,109.24 and 3,616.92 is: 4,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.90 : 9,109.24 = 3,616.92 : x
  2. Step 2: Convert to fraction form
    6,600.90/9,109.24 = 3,616.92/x
  3. Step 3: Cross multiply
    6,600.90x = 9,109.24 × 3,616.92
  4. Step 4: Simplify right side
    6,600.90x = 32,947,392.34
  5. Step 5: Solve for x
    x = 32,947,392.34/6,600.90
  6. Step 6: Final answer
    x = 4,991.35

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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.