Home / 6,747.56-9,312.35-3,914.08

Finding the Fourth Proportional to 6,747.56, 9,312.35 and 3,914.08

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Solution

The fourth proportional to 6,747.56, 9,312.35 and 3,914.08 is: 5,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.56 : 9,312.35 = 3,914.08 : x
  2. Step 2: Convert to fraction form
    6,747.56/9,312.35 = 3,914.08/x
  3. Step 3: Cross multiply
    6,747.56x = 9,312.35 × 3,914.08
  4. Step 4: Simplify right side
    6,747.56x = 36,449,282.89
  5. Step 5: Solve for x
    x = 36,449,282.89/6,747.56
  6. Step 6: Final answer
    x = 5,401.85

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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.