Home / 7,420.64-11,134.03-3,469.00

Finding the Fourth Proportional to 7,420.64, 11,134.03 and 3,469.00

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Solution

The fourth proportional to 7,420.64, 11,134.03 and 3,469.00 is: 5,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.64 : 11,134.03 = 3,469.00 : x
  2. Step 2: Convert to fraction form
    7,420.64/11,134.03 = 3,469.00/x
  3. Step 3: Cross multiply
    7,420.64x = 11,134.03 × 3,469.00
  4. Step 4: Simplify right side
    7,420.64x = 38,623,982.01
  5. Step 5: Solve for x
    x = 38,623,982.01/7,420.64
  6. Step 6: Final answer
    x = 5,204.94

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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.