Home / 4,005.16-6,004.38-2,155.24

Finding the Fourth Proportional to 4,005.16, 6,004.38 and 2,155.24

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Solution

The fourth proportional to 4,005.16, 6,004.38 and 2,155.24 is: 3,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.16 : 6,004.38 = 2,155.24 : x
  2. Step 2: Convert to fraction form
    4,005.16/6,004.38 = 2,155.24/x
  3. Step 3: Cross multiply
    4,005.16x = 6,004.38 × 2,155.24
  4. Step 4: Simplify right side
    4,005.16x = 12,940,879.95
  5. Step 5: Solve for x
    x = 12,940,879.95/4,005.16
  6. Step 6: Final answer
    x = 3,231.05

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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.