Home / 5,040-6,936.84-4,438.55

Finding the Fourth Proportional to 5,040, 6,936.84 and 4,438.55

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Solution

The fourth proportional to 5,040, 6,936.84 and 4,438.55 is: 6,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040 : 6,936.84 = 4,438.55 : x
  2. Step 2: Convert to fraction form
    5,040/6,936.84 = 4,438.55/x
  3. Step 3: Cross multiply
    5,040x = 6,936.84 × 4,438.55
  4. Step 4: Simplify right side
    5,040x = 30,789,476.50
  5. Step 5: Solve for x
    x = 30,789,476.50/5,040
  6. Step 6: Final answer
    x = 6,109.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.