Home / 4,548.31-6,821.70-1,261.73

Finding the Fourth Proportional to 4,548.31, 6,821.70 and 1,261.73

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Solution

The fourth proportional to 4,548.31, 6,821.70 and 1,261.73 is: 1,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.31 : 6,821.70 = 1,261.73 : x
  2. Step 2: Convert to fraction form
    4,548.31/6,821.70 = 1,261.73/x
  3. Step 3: Cross multiply
    4,548.31x = 6,821.70 × 1,261.73
  4. Step 4: Simplify right side
    4,548.31x = 8,607,143.54
  5. Step 5: Solve for x
    x = 8,607,143.54/4,548.31
  6. Step 6: Final answer
    x = 1,892.38

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1.5x scale

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.