Home / 7,479.24-11,211.94-4,190.03

Finding the Fourth Proportional to 7,479.24, 11,211.94 and 4,190.03

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Solution

The fourth proportional to 7,479.24, 11,211.94 and 4,190.03 is: 6,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.24 : 11,211.94 = 4,190.03 : x
  2. Step 2: Convert to fraction form
    7,479.24/11,211.94 = 4,190.03/x
  3. Step 3: Cross multiply
    7,479.24x = 11,211.94 × 4,190.03
  4. Step 4: Simplify right side
    7,479.24x = 46,978,356.18
  5. Step 5: Solve for x
    x = 46,978,356.18/7,479.24
  6. Step 6: Final answer
    x = 6,281.17

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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.