Home / 4,928.01-6,800.72-2,939.72

Finding the Fourth Proportional to 4,928.01, 6,800.72 and 2,939.72

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Solution

The fourth proportional to 4,928.01, 6,800.72 and 2,939.72 is: 4,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.01 : 6,800.72 = 2,939.72 : x
  2. Step 2: Convert to fraction form
    4,928.01/6,800.72 = 2,939.72/x
  3. Step 3: Cross multiply
    4,928.01x = 6,800.72 × 2,939.72
  4. Step 4: Simplify right side
    4,928.01x = 19,992,212.60
  5. Step 5: Solve for x
    x = 19,992,212.60/4,928.01
  6. Step 6: Final answer
    x = 4,056.85

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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.