Home / 4,789.28-7,183.85-1,326.53

Finding the Fourth Proportional to 4,789.28, 7,183.85 and 1,326.53

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Solution

The fourth proportional to 4,789.28, 7,183.85 and 1,326.53 is: 1,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.28 : 7,183.85 = 1,326.53 : x
  2. Step 2: Convert to fraction form
    4,789.28/7,183.85 = 1,326.53/x
  3. Step 3: Cross multiply
    4,789.28x = 7,183.85 × 1,326.53
  4. Step 4: Simplify right side
    4,789.28x = 9,529,549.99
  5. Step 5: Solve for x
    x = 9,529,549.99/4,789.28
  6. Step 6: Final answer
    x = 1,989.77

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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.