Home / 4,751.79-7,132.69-3,884.28

Finding the Fourth Proportional to 4,751.79, 7,132.69 and 3,884.28

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Solution

The fourth proportional to 4,751.79, 7,132.69 and 3,884.28 is: 5,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.79 : 7,132.69 = 3,884.28 : x
  2. Step 2: Convert to fraction form
    4,751.79/7,132.69 = 3,884.28/x
  3. Step 3: Cross multiply
    4,751.79x = 7,132.69 × 3,884.28
  4. Step 4: Simplify right side
    4,751.79x = 27,705,365.11
  5. Step 5: Solve for x
    x = 27,705,365.11/4,751.79
  6. Step 6: Final answer
    x = 5,830.51

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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.