Home / 5,541.45-8,309.40-1,842.38

Finding the Fourth Proportional to 5,541.45, 8,309.40 and 1,842.38

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Solution

The fourth proportional to 5,541.45, 8,309.40 and 1,842.38 is: 2,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.45 : 8,309.40 = 1,842.38 : x
  2. Step 2: Convert to fraction form
    5,541.45/8,309.40 = 1,842.38/x
  3. Step 3: Cross multiply
    5,541.45x = 8,309.40 × 1,842.38
  4. Step 4: Simplify right side
    5,541.45x = 15,309,072.37
  5. Step 5: Solve for x
    x = 15,309,072.37/5,541.45
  6. Step 6: Final answer
    x = 2,762.65

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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.