Home / 7,922.81-11,888.32-4,027.22

Finding the Fourth Proportional to 7,922.81, 11,888.32 and 4,027.22

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Solution

The fourth proportional to 7,922.81, 11,888.32 and 4,027.22 is: 6,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.81 : 11,888.32 = 4,027.22 : x
  2. Step 2: Convert to fraction form
    7,922.81/11,888.32 = 4,027.22/x
  3. Step 3: Cross multiply
    7,922.81x = 11,888.32 × 4,027.22
  4. Step 4: Simplify right side
    7,922.81x = 47,876,862.69
  5. Step 5: Solve for x
    x = 47,876,862.69/7,922.81
  6. Step 6: Final answer
    x = 6,042.91

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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.