Home / 4,772.85-7,161.89-1,851.27

Finding the Fourth Proportional to 4,772.85, 7,161.89 and 1,851.27

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Solution

The fourth proportional to 4,772.85, 7,161.89 and 1,851.27 is: 2,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.85 : 7,161.89 = 1,851.27 : x
  2. Step 2: Convert to fraction form
    4,772.85/7,161.89 = 1,851.27/x
  3. Step 3: Cross multiply
    4,772.85x = 7,161.89 × 1,851.27
  4. Step 4: Simplify right side
    4,772.85x = 13,258,582.84
  5. Step 5: Solve for x
    x = 13,258,582.84/4,772.85
  6. Step 6: Final answer
    x = 2,777.92

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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.