Home / 5,317.69-7,976.57-1,854.94

Finding the Fourth Proportional to 5,317.69, 7,976.57 and 1,854.94

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Solution

The fourth proportional to 5,317.69, 7,976.57 and 1,854.94 is: 2,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.69 : 7,976.57 = 1,854.94 : x
  2. Step 2: Convert to fraction form
    5,317.69/7,976.57 = 1,854.94/x
  3. Step 3: Cross multiply
    5,317.69x = 7,976.57 × 1,854.94
  4. Step 4: Simplify right side
    5,317.69x = 14,796,029.54
  5. Step 5: Solve for x
    x = 14,796,029.54/5,317.69
  6. Step 6: Final answer
    x = 2,782.42

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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.