Home / 6,211.74-9,318.60-3,091.98

Finding the Fourth Proportional to 6,211.74, 9,318.60 and 3,091.98

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Solution

The fourth proportional to 6,211.74, 9,318.60 and 3,091.98 is: 4,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.74 : 9,318.60 = 3,091.98 : x
  2. Step 2: Convert to fraction form
    6,211.74/9,318.60 = 3,091.98/x
  3. Step 3: Cross multiply
    6,211.74x = 9,318.60 × 3,091.98
  4. Step 4: Simplify right side
    6,211.74x = 28,812,924.83
  5. Step 5: Solve for x
    x = 28,812,924.83/6,211.74
  6. Step 6: Final answer
    x = 4,638.46

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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.