Home / 8,168.28-12,250.35-3,485.70

Finding the Fourth Proportional to 8,168.28, 12,250.35 and 3,485.70

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Solution

The fourth proportional to 8,168.28, 12,250.35 and 3,485.70 is: 5,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.28 : 12,250.35 = 3,485.70 : x
  2. Step 2: Convert to fraction form
    8,168.28/12,250.35 = 3,485.70/x
  3. Step 3: Cross multiply
    8,168.28x = 12,250.35 × 3,485.70
  4. Step 4: Simplify right side
    8,168.28x = 42,701,045.00
  5. Step 5: Solve for x
    x = 42,701,045.00/8,168.28
  6. Step 6: Final answer
    x = 5,227.67

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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.