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Finding the Fourth Proportional to 9,800.52, 13,520.19 and 5,819.37

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Solution

The fourth proportional to 9,800.52, 13,520.19 and 5,819.37 is: 8,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.52 : 13,520.19 = 5,819.37 : x
  2. Step 2: Convert to fraction form
    9,800.52/13,520.19 = 5,819.37/x
  3. Step 3: Cross multiply
    9,800.52x = 13,520.19 × 5,819.37
  4. Step 4: Simplify right side
    9,800.52x = 78,678,988.08
  5. Step 5: Solve for x
    x = 78,678,988.08/9,800.52
  6. Step 6: Final answer
    x = 8,028.04

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1.5x scale

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.