Home / 5,356.69-8,040.23-2,585.31

Finding the Fourth Proportional to 5,356.69, 8,040.23 and 2,585.31

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Solution

The fourth proportional to 5,356.69, 8,040.23 and 2,585.31 is: 3,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.69 : 8,040.23 = 2,585.31 : x
  2. Step 2: Convert to fraction form
    5,356.69/8,040.23 = 2,585.31/x
  3. Step 3: Cross multiply
    5,356.69x = 8,040.23 × 2,585.31
  4. Step 4: Simplify right side
    5,356.69x = 20,786,474.09
  5. Step 5: Solve for x
    x = 20,786,474.09/5,356.69
  6. Step 6: Final answer
    x = 3,880.47

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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.