Home / 4,851.96-7,272.81-1,929.48

Finding the Fourth Proportional to 4,851.96, 7,272.81 and 1,929.48

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Solution

The fourth proportional to 4,851.96, 7,272.81 and 1,929.48 is: 2,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.96 : 7,272.81 = 1,929.48 : x
  2. Step 2: Convert to fraction form
    4,851.96/7,272.81 = 1,929.48/x
  3. Step 3: Cross multiply
    4,851.96x = 7,272.81 × 1,929.48
  4. Step 4: Simplify right side
    4,851.96x = 14,032,741.44
  5. Step 5: Solve for x
    x = 14,032,741.44/4,851.96
  6. Step 6: Final answer
    x = 2,892.18

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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.