Home / 4,939.79-6,817.05-2,701.62

Finding the Fourth Proportional to 4,939.79, 6,817.05 and 2,701.62

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Solution

The fourth proportional to 4,939.79, 6,817.05 and 2,701.62 is: 3,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.79 : 6,817.05 = 2,701.62 : x
  2. Step 2: Convert to fraction form
    4,939.79/6,817.05 = 2,701.62/x
  3. Step 3: Cross multiply
    4,939.79x = 6,817.05 × 2,701.62
  4. Step 4: Simplify right side
    4,939.79x = 18,417,078.62
  5. Step 5: Solve for x
    x = 18,417,078.62/4,939.79
  6. Step 6: Final answer
    x = 3,728.32

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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.