Home / 7,274.20-10,883.82-4,453

Finding the Fourth Proportional to 7,274.20, 10,883.82 and 4,453

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Solution

The fourth proportional to 7,274.20, 10,883.82 and 4,453 is: 6,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.20 : 10,883.82 = 4,453 : x
  2. Step 2: Convert to fraction form
    7,274.20/10,883.82 = 4,453/x
  3. Step 3: Cross multiply
    7,274.20x = 10,883.82 × 4,453
  4. Step 4: Simplify right side
    7,274.20x = 48,465,650.46
  5. Step 5: Solve for x
    x = 48,465,650.46/7,274.20
  6. Step 6: Final answer
    x = 6,662.68

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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.