Home / 4,841.78-7,265.06-1,920.02

Finding the Fourth Proportional to 4,841.78, 7,265.06 and 1,920.02

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Solution

The fourth proportional to 4,841.78, 7,265.06 and 1,920.02 is: 2,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.78 : 7,265.06 = 1,920.02 : x
  2. Step 2: Convert to fraction form
    4,841.78/7,265.06 = 1,920.02/x
  3. Step 3: Cross multiply
    4,841.78x = 7,265.06 × 1,920.02
  4. Step 4: Simplify right side
    4,841.78x = 13,949,028.98
  5. Step 5: Solve for x
    x = 13,949,028.98/4,841.78
  6. Step 6: Final answer
    x = 2,880.97

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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.