Home / 5,086.20-7,019.28-3,322.56

Finding the Fourth Proportional to 5,086.20, 7,019.28 and 3,322.56

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Solution

The fourth proportional to 5,086.20, 7,019.28 and 3,322.56 is: 4,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.20 : 7,019.28 = 3,322.56 : x
  2. Step 2: Convert to fraction form
    5,086.20/7,019.28 = 3,322.56/x
  3. Step 3: Cross multiply
    5,086.20x = 7,019.28 × 3,322.56
  4. Step 4: Simplify right side
    5,086.20x = 23,321,978.96
  5. Step 5: Solve for x
    x = 23,321,978.96/5,086.20
  6. Step 6: Final answer
    x = 4,585.34

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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.