Home / 5,284.18-7,919.48-1,993.35

Finding the Fourth Proportional to 5,284.18, 7,919.48 and 1,993.35

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Solution

The fourth proportional to 5,284.18, 7,919.48 and 1,993.35 is: 2,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.18 : 7,919.48 = 1,993.35 : x
  2. Step 2: Convert to fraction form
    5,284.18/7,919.48 = 1,993.35/x
  3. Step 3: Cross multiply
    5,284.18x = 7,919.48 × 1,993.35
  4. Step 4: Simplify right side
    5,284.18x = 15,786,300.44
  5. Step 5: Solve for x
    x = 15,786,300.44/5,284.18
  6. Step 6: Final answer
    x = 2,987.47

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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.