Home / 5,155.79-7,736.65-3,080.84

Finding the Fourth Proportional to 5,155.79, 7,736.65 and 3,080.84

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Solution

The fourth proportional to 5,155.79, 7,736.65 and 3,080.84 is: 4,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.79 : 7,736.65 = 3,080.84 : x
  2. Step 2: Convert to fraction form
    5,155.79/7,736.65 = 3,080.84/x
  3. Step 3: Cross multiply
    5,155.79x = 7,736.65 × 3,080.84
  4. Step 4: Simplify right side
    5,155.79x = 23,835,380.79
  5. Step 5: Solve for x
    x = 23,835,380.79/5,155.79
  6. Step 6: Final answer
    x = 4,623.03

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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.