Home / 6,211.44-9,309.60-5,555.34

Finding the Fourth Proportional to 6,211.44, 9,309.60 and 5,555.34

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Solution

The fourth proportional to 6,211.44, 9,309.60 and 5,555.34 is: 8,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.44 : 9,309.60 = 5,555.34 : x
  2. Step 2: Convert to fraction form
    6,211.44/9,309.60 = 5,555.34/x
  3. Step 3: Cross multiply
    6,211.44x = 9,309.60 × 5,555.34
  4. Step 4: Simplify right side
    6,211.44x = 51,717,993.26
  5. Step 5: Solve for x
    x = 51,717,993.26/6,211.44
  6. Step 6: Final answer
    x = 8,326.25

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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.