Home / 4,750.79-7,131.19-3,883.28

Finding the Fourth Proportional to 4,750.79, 7,131.19 and 3,883.28

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Solution

The fourth proportional to 4,750.79, 7,131.19 and 3,883.28 is: 5,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.79 : 7,131.19 = 3,883.28 : x
  2. Step 2: Convert to fraction form
    4,750.79/7,131.19 = 3,883.28/x
  3. Step 3: Cross multiply
    4,750.79x = 7,131.19 × 3,883.28
  4. Step 4: Simplify right side
    4,750.79x = 27,692,369.42
  5. Step 5: Solve for x
    x = 27,692,369.42/4,750.79
  6. Step 6: Final answer
    x = 5,829.01

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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.