Home / 7,475.66-11,208.26-3,313.41

Finding the Fourth Proportional to 7,475.66, 11,208.26 and 3,313.41

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Solution

The fourth proportional to 7,475.66, 11,208.26 and 3,313.41 is: 4,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.66 : 11,208.26 = 3,313.41 : x
  2. Step 2: Convert to fraction form
    7,475.66/11,208.26 = 3,313.41/x
  3. Step 3: Cross multiply
    7,475.66x = 11,208.26 × 3,313.41
  4. Step 4: Simplify right side
    7,475.66x = 37,137,544.20
  5. Step 5: Solve for x
    x = 37,137,544.20/7,475.66
  6. Step 6: Final answer
    x = 4,967.80

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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.