Home / 5,055.44-7,578.36-1,766.39

Finding the Fourth Proportional to 5,055.44, 7,578.36 and 1,766.39

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Solution

The fourth proportional to 5,055.44, 7,578.36 and 1,766.39 is: 2,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.44 : 7,578.36 = 1,766.39 : x
  2. Step 2: Convert to fraction form
    5,055.44/7,578.36 = 1,766.39/x
  3. Step 3: Cross multiply
    5,055.44x = 7,578.36 × 1,766.39
  4. Step 4: Simplify right side
    5,055.44x = 13,386,339.32
  5. Step 5: Solve for x
    x = 13,386,339.32/5,055.44
  6. Step 6: Final answer
    x = 2,647.91

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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.