Home / 4,905.75-6,769.94-2,810.01

Finding the Fourth Proportional to 4,905.75, 6,769.94 and 2,810.01

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Solution

The fourth proportional to 4,905.75, 6,769.94 and 2,810.01 is: 3,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.75 : 6,769.94 = 2,810.01 : x
  2. Step 2: Convert to fraction form
    4,905.75/6,769.94 = 2,810.01/x
  3. Step 3: Cross multiply
    4,905.75x = 6,769.94 × 2,810.01
  4. Step 4: Simplify right side
    4,905.75x = 19,023,585.05
  5. Step 5: Solve for x
    x = 19,023,585.05/4,905.75
  6. Step 6: Final answer
    x = 3,877.81

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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.