Home / 5,301.75-7,317.09-3,205.89

Finding the Fourth Proportional to 5,301.75, 7,317.09 and 3,205.89

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Solution

The fourth proportional to 5,301.75, 7,317.09 and 3,205.89 is: 4,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.75 : 7,317.09 = 3,205.89 : x
  2. Step 2: Convert to fraction form
    5,301.75/7,317.09 = 3,205.89/x
  3. Step 3: Cross multiply
    5,301.75x = 7,317.09 × 3,205.89
  4. Step 4: Simplify right side
    5,301.75x = 23,457,785.66
  5. Step 5: Solve for x
    x = 23,457,785.66/5,301.75
  6. Step 6: Final answer
    x = 4,424.54

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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.