Home / 5,541.81-7,647.70-3,057.81

Finding the Fourth Proportional to 5,541.81, 7,647.70 and 3,057.81

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Solution

The fourth proportional to 5,541.81, 7,647.70 and 3,057.81 is: 4,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.81 : 7,647.70 = 3,057.81 : x
  2. Step 2: Convert to fraction form
    5,541.81/7,647.70 = 3,057.81/x
  3. Step 3: Cross multiply
    5,541.81x = 7,647.70 × 3,057.81
  4. Step 4: Simplify right side
    5,541.81x = 23,385,213.54
  5. Step 5: Solve for x
    x = 23,385,213.54/5,541.81
  6. Step 6: Final answer
    x = 4,219.78

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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.