Home / 5,237.73-7,857.75-1,728.81

Finding the Fourth Proportional to 5,237.73, 7,857.75 and 1,728.81

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Solution

The fourth proportional to 5,237.73, 7,857.75 and 1,728.81 is: 2,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.73 : 7,857.75 = 1,728.81 : x
  2. Step 2: Convert to fraction form
    5,237.73/7,857.75 = 1,728.81/x
  3. Step 3: Cross multiply
    5,237.73x = 7,857.75 × 1,728.81
  4. Step 4: Simplify right side
    5,237.73x = 13,584,556.78
  5. Step 5: Solve for x
    x = 13,584,556.78/5,237.73
  6. Step 6: Final answer
    x = 2,593.60

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1.5x scale

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.