Home / 7,221.90-10,833.21-2,027.10

Finding the Fourth Proportional to 7,221.90, 10,833.21 and 2,027.10

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Solution

The fourth proportional to 7,221.90, 10,833.21 and 2,027.10 is: 3,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.90 : 10,833.21 = 2,027.10 : x
  2. Step 2: Convert to fraction form
    7,221.90/10,833.21 = 2,027.10/x
  3. Step 3: Cross multiply
    7,221.90x = 10,833.21 × 2,027.10
  4. Step 4: Simplify right side
    7,221.90x = 21,959,999.99
  5. Step 5: Solve for x
    x = 21,959,999.99/7,221.90
  6. Step 6: Final answer
    x = 3,040.75

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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.