Home / 4,928.85-6,801.71-2,690.64

Finding the Fourth Proportional to 4,928.85, 6,801.71 and 2,690.64

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Solution

The fourth proportional to 4,928.85, 6,801.71 and 2,690.64 is: 3,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.85 : 6,801.71 = 2,690.64 : x
  2. Step 2: Convert to fraction form
    4,928.85/6,801.71 = 2,690.64/x
  3. Step 3: Cross multiply
    4,928.85x = 6,801.71 × 2,690.64
  4. Step 4: Simplify right side
    4,928.85x = 18,300,939.54
  5. Step 5: Solve for x
    x = 18,300,939.54/4,928.85
  6. Step 6: Final answer
    x = 3,713.02

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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.