Home / 5,161.10-7,121.67-4,273.34

Finding the Fourth Proportional to 5,161.10, 7,121.67 and 4,273.34

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Solution

The fourth proportional to 5,161.10, 7,121.67 and 4,273.34 is: 5,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.10 : 7,121.67 = 4,273.34 : x
  2. Step 2: Convert to fraction form
    5,161.10/7,121.67 = 4,273.34/x
  3. Step 3: Cross multiply
    5,161.10x = 7,121.67 × 4,273.34
  4. Step 4: Simplify right side
    5,161.10x = 30,433,317.28
  5. Step 5: Solve for x
    x = 30,433,317.28/5,161.10
  6. Step 6: Final answer
    x = 5,896.67

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Half scale
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Double scale
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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.