Home / 4,819.47-7,230.32-1,858.34

Finding the Fourth Proportional to 4,819.47, 7,230.32 and 1,858.34

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Solution

The fourth proportional to 4,819.47, 7,230.32 and 1,858.34 is: 2,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.47 : 7,230.32 = 1,858.34 : x
  2. Step 2: Convert to fraction form
    4,819.47/7,230.32 = 1,858.34/x
  3. Step 3: Cross multiply
    4,819.47x = 7,230.32 × 1,858.34
  4. Step 4: Simplify right side
    4,819.47x = 13,436,392.87
  5. Step 5: Solve for x
    x = 13,436,392.87/4,819.47
  6. Step 6: Final answer
    x = 2,787.94

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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.