Home / 5,979.06-8,969.70-1,819.44

Finding the Fourth Proportional to 5,979.06, 8,969.70 and 1,819.44

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Solution

The fourth proportional to 5,979.06, 8,969.70 and 1,819.44 is: 2,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.06 : 8,969.70 = 1,819.44 : x
  2. Step 2: Convert to fraction form
    5,979.06/8,969.70 = 1,819.44/x
  3. Step 3: Cross multiply
    5,979.06x = 8,969.70 × 1,819.44
  4. Step 4: Simplify right side
    5,979.06x = 16,319,830.97
  5. Step 5: Solve for x
    x = 16,319,830.97/5,979.06
  6. Step 6: Final answer
    x = 2,729.50

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1.5x scale

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.