Home / 4,007.40-5,529.32-2,238.92

Finding the Fourth Proportional to 4,007.40, 5,529.32 and 2,238.92

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Solution

The fourth proportional to 4,007.40, 5,529.32 and 2,238.92 is: 3,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.40 : 5,529.32 = 2,238.92 : x
  2. Step 2: Convert to fraction form
    4,007.40/5,529.32 = 2,238.92/x
  3. Step 3: Cross multiply
    4,007.40x = 5,529.32 × 2,238.92
  4. Step 4: Simplify right side
    4,007.40x = 12,379,705.13
  5. Step 5: Solve for x
    x = 12,379,705.13/4,007.40
  6. Step 6: Final answer
    x = 3,089.21

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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.