Home / 4,908.89-6,768.60-3,913.40

Finding the Fourth Proportional to 4,908.89, 6,768.60 and 3,913.40

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Solution

The fourth proportional to 4,908.89, 6,768.60 and 3,913.40 is: 5,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.89 : 6,768.60 = 3,913.40 : x
  2. Step 2: Convert to fraction form
    4,908.89/6,768.60 = 3,913.40/x
  3. Step 3: Cross multiply
    4,908.89x = 6,768.60 × 3,913.40
  4. Step 4: Simplify right side
    4,908.89x = 26,488,205.40
  5. Step 5: Solve for x
    x = 26,488,205.40/4,908.89
  6. Step 6: Final answer
    x = 5,395.97

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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.