Home / 5,458.26-8,188.56-1,948.44

Finding the Fourth Proportional to 5,458.26, 8,188.56 and 1,948.44

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Solution

The fourth proportional to 5,458.26, 8,188.56 and 1,948.44 is: 2,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.26 : 8,188.56 = 1,948.44 : x
  2. Step 2: Convert to fraction form
    5,458.26/8,188.56 = 1,948.44/x
  3. Step 3: Cross multiply
    5,458.26x = 8,188.56 × 1,948.44
  4. Step 4: Simplify right side
    5,458.26x = 15,954,917.85
  5. Step 5: Solve for x
    x = 15,954,917.85/5,458.26
  6. Step 6: Final answer
    x = 2,923.08

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1.5x scale

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.