Home / 4,820.92-7,220.34-3,993.64

Finding the Fourth Proportional to 4,820.92, 7,220.34 and 3,993.64

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Solution

The fourth proportional to 4,820.92, 7,220.34 and 3,993.64 is: 5,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.92 : 7,220.34 = 3,993.64 : x
  2. Step 2: Convert to fraction form
    4,820.92/7,220.34 = 3,993.64/x
  3. Step 3: Cross multiply
    4,820.92x = 7,220.34 × 3,993.64
  4. Step 4: Simplify right side
    4,820.92x = 28,835,438.64
  5. Step 5: Solve for x
    x = 28,835,438.64/4,820.92
  6. Step 6: Final answer
    x = 5,981.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.