Home / 6,109.55-9,166.87-2,161.33

Finding the Fourth Proportional to 6,109.55, 9,166.87 and 2,161.33

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Solution

The fourth proportional to 6,109.55, 9,166.87 and 2,161.33 is: 3,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.55 : 9,166.87 = 2,161.33 : x
  2. Step 2: Convert to fraction form
    6,109.55/9,166.87 = 2,161.33/x
  3. Step 3: Cross multiply
    6,109.55x = 9,166.87 × 2,161.33
  4. Step 4: Simplify right side
    6,109.55x = 19,812,662.49
  5. Step 5: Solve for x
    x = 19,812,662.49/6,109.55
  6. Step 6: Final answer
    x = 3,242.90

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1.5x scale

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.