Home / 5,242.48-7,236.89-3,747.80

Finding the Fourth Proportional to 5,242.48, 7,236.89 and 3,747.80

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Solution

The fourth proportional to 5,242.48, 7,236.89 and 3,747.80 is: 5,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.48 : 7,236.89 = 3,747.80 : x
  2. Step 2: Convert to fraction form
    5,242.48/7,236.89 = 3,747.80/x
  3. Step 3: Cross multiply
    5,242.48x = 7,236.89 × 3,747.80
  4. Step 4: Simplify right side
    5,242.48x = 27,122,429.75
  5. Step 5: Solve for x
    x = 27,122,429.75/5,242.48
  6. Step 6: Final answer
    x = 5,173.59

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1.5x scale

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.