Home / 5,533.15-7,635.55-3,015.21

Finding the Fourth Proportional to 5,533.15, 7,635.55 and 3,015.21

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Solution

The fourth proportional to 5,533.15, 7,635.55 and 3,015.21 is: 4,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.15 : 7,635.55 = 3,015.21 : x
  2. Step 2: Convert to fraction form
    5,533.15/7,635.55 = 3,015.21/x
  3. Step 3: Cross multiply
    5,533.15x = 7,635.55 × 3,015.21
  4. Step 4: Simplify right side
    5,533.15x = 23,022,778.99
  5. Step 5: Solve for x
    x = 23,022,778.99/5,533.15
  6. Step 6: Final answer
    x = 4,160.88

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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.