Home / 7,505.85-11,243.40-4,212.03

Finding the Fourth Proportional to 7,505.85, 11,243.40 and 4,212.03

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Solution

The fourth proportional to 7,505.85, 11,243.40 and 4,212.03 is: 6,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.85 : 11,243.40 = 4,212.03 : x
  2. Step 2: Convert to fraction form
    7,505.85/11,243.40 = 4,212.03/x
  3. Step 3: Cross multiply
    7,505.85x = 11,243.40 × 4,212.03
  4. Step 4: Simplify right side
    7,505.85x = 47,357,490.33
  5. Step 5: Solve for x
    x = 47,357,490.33/7,505.85
  6. Step 6: Final answer
    x = 6,309.41

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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.