Home / 6,412.85-8,849.28-3,759.75

Finding the Fourth Proportional to 6,412.85, 8,849.28 and 3,759.75

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Solution

The fourth proportional to 6,412.85, 8,849.28 and 3,759.75 is: 5,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.85 : 8,849.28 = 3,759.75 : x
  2. Step 2: Convert to fraction form
    6,412.85/8,849.28 = 3,759.75/x
  3. Step 3: Cross multiply
    6,412.85x = 8,849.28 × 3,759.75
  4. Step 4: Simplify right side
    6,412.85x = 33,271,094.58
  5. Step 5: Solve for x
    x = 33,271,094.58/6,412.85
  6. Step 6: Final answer
    x = 5,188.19

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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.