Home / 4,313.72-5,939.28-3,919.56

Finding the Fourth Proportional to 4,313.72, 5,939.28 and 3,919.56

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Solution

The fourth proportional to 4,313.72, 5,939.28 and 3,919.56 is: 5,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.72 : 5,939.28 = 3,919.56 : x
  2. Step 2: Convert to fraction form
    4,313.72/5,939.28 = 3,919.56/x
  3. Step 3: Cross multiply
    4,313.72x = 5,939.28 × 3,919.56
  4. Step 4: Simplify right side
    4,313.72x = 23,279,364.32
  5. Step 5: Solve for x
    x = 23,279,364.32/4,313.72
  6. Step 6: Final answer
    x = 5,396.59

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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.