Home / 5,359.66-8,040.70-1,896.91

Finding the Fourth Proportional to 5,359.66, 8,040.70 and 1,896.91

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Solution

The fourth proportional to 5,359.66, 8,040.70 and 1,896.91 is: 2,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.66 : 8,040.70 = 1,896.91 : x
  2. Step 2: Convert to fraction form
    5,359.66/8,040.70 = 1,896.91/x
  3. Step 3: Cross multiply
    5,359.66x = 8,040.70 × 1,896.91
  4. Step 4: Simplify right side
    5,359.66x = 15,252,484.24
  5. Step 5: Solve for x
    x = 15,252,484.24/5,359.66
  6. Step 6: Final answer
    x = 2,845.79

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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.