Home / 4,845.45-6,687.80-3,076.72

Finding the Fourth Proportional to 4,845.45, 6,687.80 and 3,076.72

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Solution

The fourth proportional to 4,845.45, 6,687.80 and 3,076.72 is: 4,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.45 : 6,687.80 = 3,076.72 : x
  2. Step 2: Convert to fraction form
    4,845.45/6,687.80 = 3,076.72/x
  3. Step 3: Cross multiply
    4,845.45x = 6,687.80 × 3,076.72
  4. Step 4: Simplify right side
    4,845.45x = 20,576,488.02
  5. Step 5: Solve for x
    x = 20,576,488.02/4,845.45
  6. Step 6: Final answer
    x = 4,246.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.