Home / 4,892.28-7,338.48-1,429.60

Finding the Fourth Proportional to 4,892.28, 7,338.48 and 1,429.60

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Solution

The fourth proportional to 4,892.28, 7,338.48 and 1,429.60 is: 2,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.28 : 7,338.48 = 1,429.60 : x
  2. Step 2: Convert to fraction form
    4,892.28/7,338.48 = 1,429.60/x
  3. Step 3: Cross multiply
    4,892.28x = 7,338.48 × 1,429.60
  4. Step 4: Simplify right side
    4,892.28x = 10,491,091.01
  5. Step 5: Solve for x
    x = 10,491,091.01/4,892.28
  6. Step 6: Final answer
    x = 2,144.42

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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.