Home / 5,738.72-7,919.36-3,220.82

Finding the Fourth Proportional to 5,738.72, 7,919.36 and 3,220.82

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Solution

The fourth proportional to 5,738.72, 7,919.36 and 3,220.82 is: 4,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.72 : 7,919.36 = 3,220.82 : x
  2. Step 2: Convert to fraction form
    5,738.72/7,919.36 = 3,220.82/x
  3. Step 3: Cross multiply
    5,738.72x = 7,919.36 × 3,220.82
  4. Step 4: Simplify right side
    5,738.72x = 25,506,833.08
  5. Step 5: Solve for x
    x = 25,506,833.08/5,738.72
  6. Step 6: Final answer
    x = 4,444.69

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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.