Home / 5,103.79-7,655.59-2,907.84

Finding the Fourth Proportional to 5,103.79, 7,655.59 and 2,907.84

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Solution

The fourth proportional to 5,103.79, 7,655.59 and 2,907.84 is: 4,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.79 : 7,655.59 = 2,907.84 : x
  2. Step 2: Convert to fraction form
    5,103.79/7,655.59 = 2,907.84/x
  3. Step 3: Cross multiply
    5,103.79x = 7,655.59 × 2,907.84
  4. Step 4: Simplify right side
    5,103.79x = 22,261,230.83
  5. Step 5: Solve for x
    x = 22,261,230.83/5,103.79
  6. Step 6: Final answer
    x = 4,361.71

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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.