Home / 6,114.70-9,172.05-2,218.60

Finding the Fourth Proportional to 6,114.70, 9,172.05 and 2,218.60

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Solution

The fourth proportional to 6,114.70, 9,172.05 and 2,218.60 is: 3,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.70 : 9,172.05 = 2,218.60 : x
  2. Step 2: Convert to fraction form
    6,114.70/9,172.05 = 2,218.60/x
  3. Step 3: Cross multiply
    6,114.70x = 9,172.05 × 2,218.60
  4. Step 4: Simplify right side
    6,114.70x = 20,349,110.13
  5. Step 5: Solve for x
    x = 20,349,110.13/6,114.70
  6. Step 6: Final answer
    x = 3,327.90

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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.