Home / 5,317.41-7,975.98-1,619.49

Finding the Fourth Proportional to 5,317.41, 7,975.98 and 1,619.49

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Solution

The fourth proportional to 5,317.41, 7,975.98 and 1,619.49 is: 2,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.41 : 7,975.98 = 1,619.49 : x
  2. Step 2: Convert to fraction form
    5,317.41/7,975.98 = 1,619.49/x
  3. Step 3: Cross multiply
    5,317.41x = 7,975.98 × 1,619.49
  4. Step 4: Simplify right side
    5,317.41x = 12,917,019.85
  5. Step 5: Solve for x
    x = 12,917,019.85/5,317.41
  6. Step 6: Final answer
    x = 2,429.19

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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.