Home / 7,388.80-11,061.25-4,458.22

Finding the Fourth Proportional to 7,388.80, 11,061.25 and 4,458.22

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Solution

The fourth proportional to 7,388.80, 11,061.25 and 4,458.22 is: 6,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.80 : 11,061.25 = 4,458.22 : x
  2. Step 2: Convert to fraction form
    7,388.80/11,061.25 = 4,458.22/x
  3. Step 3: Cross multiply
    7,388.80x = 11,061.25 × 4,458.22
  4. Step 4: Simplify right side
    7,388.80x = 49,313,485.98
  5. Step 5: Solve for x
    x = 49,313,485.98/7,388.80
  6. Step 6: Final answer
    x = 6,674.09

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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.