Home / 7,819.54-11,722.73-3,657.35

Finding the Fourth Proportional to 7,819.54, 11,722.73 and 3,657.35

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Solution

The fourth proportional to 7,819.54, 11,722.73 and 3,657.35 is: 5,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.54 : 11,722.73 = 3,657.35 : x
  2. Step 2: Convert to fraction form
    7,819.54/11,722.73 = 3,657.35/x
  3. Step 3: Cross multiply
    7,819.54x = 11,722.73 × 3,657.35
  4. Step 4: Simplify right side
    7,819.54x = 42,874,137.59
  5. Step 5: Solve for x
    x = 42,874,137.59/7,819.54
  6. Step 6: Final answer
    x = 5,482.95

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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.