Home / 7,177.74-9,902.28-5,183.94

Finding the Fourth Proportional to 7,177.74, 9,902.28 and 5,183.94

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Solution

The fourth proportional to 7,177.74, 9,902.28 and 5,183.94 is: 7,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.74 : 9,902.28 = 5,183.94 : x
  2. Step 2: Convert to fraction form
    7,177.74/9,902.28 = 5,183.94/x
  3. Step 3: Cross multiply
    7,177.74x = 9,902.28 × 5,183.94
  4. Step 4: Simplify right side
    7,177.74x = 51,332,825.38
  5. Step 5: Solve for x
    x = 51,332,825.38/7,177.74
  6. Step 6: Final answer
    x = 7,151.67

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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.