Home / 4,809.61-6,635.40-2,819.44

Finding the Fourth Proportional to 4,809.61, 6,635.40 and 2,819.44

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Solution

The fourth proportional to 4,809.61, 6,635.40 and 2,819.44 is: 3,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.61 : 6,635.40 = 2,819.44 : x
  2. Step 2: Convert to fraction form
    4,809.61/6,635.40 = 2,819.44/x
  3. Step 3: Cross multiply
    4,809.61x = 6,635.40 × 2,819.44
  4. Step 4: Simplify right side
    4,809.61x = 18,708,112.18
  5. Step 5: Solve for x
    x = 18,708,112.18/4,809.61
  6. Step 6: Final answer
    x = 3,889.74

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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.