Home / 5,183.70-7,153.69-2,945.67

Finding the Fourth Proportional to 5,183.70, 7,153.69 and 2,945.67

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Solution

The fourth proportional to 5,183.70, 7,153.69 and 2,945.67 is: 4,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.70 : 7,153.69 = 2,945.67 : x
  2. Step 2: Convert to fraction form
    5,183.70/7,153.69 = 2,945.67/x
  3. Step 3: Cross multiply
    5,183.70x = 7,153.69 × 2,945.67
  4. Step 4: Simplify right side
    5,183.70x = 21,072,429.88
  5. Step 5: Solve for x
    x = 21,072,429.88/5,183.70
  6. Step 6: Final answer
    x = 4,065.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.