Home / 7,361.90-11,039.07-2,167.10

Finding the Fourth Proportional to 7,361.90, 11,039.07 and 2,167.10

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Solution

The fourth proportional to 7,361.90, 11,039.07 and 2,167.10 is: 3,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.90 : 11,039.07 = 2,167.10 : x
  2. Step 2: Convert to fraction form
    7,361.90/11,039.07 = 2,167.10/x
  3. Step 3: Cross multiply
    7,361.90x = 11,039.07 × 2,167.10
  4. Step 4: Simplify right side
    7,361.90x = 23,922,768.60
  5. Step 5: Solve for x
    x = 23,922,768.60/7,361.90
  6. Step 6: Final answer
    x = 3,249.54

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Half scale
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Double scale
Find fourth proportional to 7,362.90, 11,040.57 and 2,168.10
Similar ratio
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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.