Home / 7,411.24-11,119.74-4,491.64

Finding the Fourth Proportional to 7,411.24, 11,119.74 and 4,491.64

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Solution

The fourth proportional to 7,411.24, 11,119.74 and 4,491.64 is: 6,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.24 : 11,119.74 = 4,491.64 : x
  2. Step 2: Convert to fraction form
    7,411.24/11,119.74 = 4,491.64/x
  3. Step 3: Cross multiply
    7,411.24x = 11,119.74 × 4,491.64
  4. Step 4: Simplify right side
    7,411.24x = 49,945,868.97
  5. Step 5: Solve for x
    x = 49,945,868.97/7,411.24
  6. Step 6: Final answer
    x = 6,739.21

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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.