Home / 4,155.86-6,224.63-3,435.30

Finding the Fourth Proportional to 4,155.86, 6,224.63 and 3,435.30

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Solution

The fourth proportional to 4,155.86, 6,224.63 and 3,435.30 is: 5,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.86 : 6,224.63 = 3,435.30 : x
  2. Step 2: Convert to fraction form
    4,155.86/6,224.63 = 3,435.30/x
  3. Step 3: Cross multiply
    4,155.86x = 6,224.63 × 3,435.30
  4. Step 4: Simplify right side
    4,155.86x = 21,383,471.44
  5. Step 5: Solve for x
    x = 21,383,471.44/4,155.86
  6. Step 6: Final answer
    x = 5,145.38

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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.