Home / 7,948.28-11,927.22-2,757.80

Finding the Fourth Proportional to 7,948.28, 11,927.22 and 2,757.80

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Solution

The fourth proportional to 7,948.28, 11,927.22 and 2,757.80 is: 4,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.28 : 11,927.22 = 2,757.80 : x
  2. Step 2: Convert to fraction form
    7,948.28/11,927.22 = 2,757.80/x
  3. Step 3: Cross multiply
    7,948.28x = 11,927.22 × 2,757.80
  4. Step 4: Simplify right side
    7,948.28x = 32,892,887.32
  5. Step 5: Solve for x
    x = 32,892,887.32/7,948.28
  6. Step 6: Final answer
    x = 4,138.37

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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.