Home / 4,490.28-6,222.75-4,427.56

Finding the Fourth Proportional to 4,490.28, 6,222.75 and 4,427.56

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Solution

The fourth proportional to 4,490.28, 6,222.75 and 4,427.56 is: 6,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.28 : 6,222.75 = 4,427.56 : x
  2. Step 2: Convert to fraction form
    4,490.28/6,222.75 = 4,427.56/x
  3. Step 3: Cross multiply
    4,490.28x = 6,222.75 × 4,427.56
  4. Step 4: Simplify right side
    4,490.28x = 27,551,598.99
  5. Step 5: Solve for x
    x = 27,551,598.99/4,490.28
  6. Step 6: Final answer
    x = 6,135.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.