Home / 4,857.93-7,280.75-2,081.31

Finding the Fourth Proportional to 4,857.93, 7,280.75 and 2,081.31

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Solution

The fourth proportional to 4,857.93, 7,280.75 and 2,081.31 is: 3,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.93 : 7,280.75 = 2,081.31 : x
  2. Step 2: Convert to fraction form
    4,857.93/7,280.75 = 2,081.31/x
  3. Step 3: Cross multiply
    4,857.93x = 7,280.75 × 2,081.31
  4. Step 4: Simplify right side
    4,857.93x = 15,153,487.38
  5. Step 5: Solve for x
    x = 15,153,487.38/4,857.93
  6. Step 6: Final answer
    x = 3,119.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.