Home / 4,328.68-6,493.20-1,861.81

Finding the Fourth Proportional to 4,328.68, 6,493.20 and 1,861.81

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Solution

The fourth proportional to 4,328.68, 6,493.20 and 1,861.81 is: 2,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.68 : 6,493.20 = 1,861.81 : x
  2. Step 2: Convert to fraction form
    4,328.68/6,493.20 = 1,861.81/x
  3. Step 3: Cross multiply
    4,328.68x = 6,493.20 × 1,861.81
  4. Step 4: Simplify right side
    4,328.68x = 12,089,104.69
  5. Step 5: Solve for x
    x = 12,089,104.69/4,328.68
  6. Step 6: Final answer
    x = 2,792.79

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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.