Home / 8,769.61-13,158.47-3,838.60

Finding the Fourth Proportional to 8,769.61, 13,158.47 and 3,838.60

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Solution

The fourth proportional to 8,769.61, 13,158.47 and 3,838.60 is: 5,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.61 : 13,158.47 = 3,838.60 : x
  2. Step 2: Convert to fraction form
    8,769.61/13,158.47 = 3,838.60/x
  3. Step 3: Cross multiply
    8,769.61x = 13,158.47 × 3,838.60
  4. Step 4: Simplify right side
    8,769.61x = 50,510,102.94
  5. Step 5: Solve for x
    x = 50,510,102.94/8,769.61
  6. Step 6: Final answer
    x = 5,759.67

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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.