Home / 7,391.36-11,089.48-3,495.26

Finding the Fourth Proportional to 7,391.36, 11,089.48 and 3,495.26

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Solution

The fourth proportional to 7,391.36, 11,089.48 and 3,495.26 is: 5,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.36 : 11,089.48 = 3,495.26 : x
  2. Step 2: Convert to fraction form
    7,391.36/11,089.48 = 3,495.26/x
  3. Step 3: Cross multiply
    7,391.36x = 11,089.48 × 3,495.26
  4. Step 4: Simplify right side
    7,391.36x = 38,760,615.86
  5. Step 5: Solve for x
    x = 38,760,615.86/7,391.36
  6. Step 6: Final answer
    x = 5,244.04

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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.