Home / 9,183.79-13,775.78-3,638.49

Finding the Fourth Proportional to 9,183.79, 13,775.78 and 3,638.49

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Solution

The fourth proportional to 9,183.79, 13,775.78 and 3,638.49 is: 5,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.79 : 13,775.78 = 3,638.49 : x
  2. Step 2: Convert to fraction form
    9,183.79/13,775.78 = 3,638.49/x
  3. Step 3: Cross multiply
    9,183.79x = 13,775.78 × 3,638.49
  4. Step 4: Simplify right side
    9,183.79x = 50,123,037.77
  5. Step 5: Solve for x
    x = 50,123,037.77/9,183.79
  6. Step 6: Final answer
    x = 5,457.77

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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.