Home / 7,064.20-9,748.27-3,877.43

Finding the Fourth Proportional to 7,064.20, 9,748.27 and 3,877.43

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Solution

The fourth proportional to 7,064.20, 9,748.27 and 3,877.43 is: 5,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.20 : 9,748.27 = 3,877.43 : x
  2. Step 2: Convert to fraction form
    7,064.20/9,748.27 = 3,877.43/x
  3. Step 3: Cross multiply
    7,064.20x = 9,748.27 × 3,877.43
  4. Step 4: Simplify right side
    7,064.20x = 37,798,234.55
  5. Step 5: Solve for x
    x = 37,798,234.55/7,064.20
  6. Step 6: Final answer
    x = 5,350.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.