Home / 5,306.46-7,956.63-2,188.62

Finding the Fourth Proportional to 5,306.46, 7,956.63 and 2,188.62

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Solution

The fourth proportional to 5,306.46, 7,956.63 and 2,188.62 is: 3,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.46 : 7,956.63 = 2,188.62 : x
  2. Step 2: Convert to fraction form
    5,306.46/7,956.63 = 2,188.62/x
  3. Step 3: Cross multiply
    5,306.46x = 7,956.63 × 2,188.62
  4. Step 4: Simplify right side
    5,306.46x = 17,414,039.55
  5. Step 5: Solve for x
    x = 17,414,039.55/5,306.46
  6. Step 6: Final answer
    x = 3,281.67

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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.