Home / 4,007.05-5,529.84-2,238.61

Finding the Fourth Proportional to 4,007.05, 5,529.84 and 2,238.61

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Solution

The fourth proportional to 4,007.05, 5,529.84 and 2,238.61 is: 3,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.05 : 5,529.84 = 2,238.61 : x
  2. Step 2: Convert to fraction form
    4,007.05/5,529.84 = 2,238.61/x
  3. Step 3: Cross multiply
    4,007.05x = 5,529.84 × 2,238.61
  4. Step 4: Simplify right side
    4,007.05x = 12,379,155.12
  5. Step 5: Solve for x
    x = 12,379,155.12/4,007.05
  6. Step 6: Final answer
    x = 3,089.34

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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.