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Finding the Fourth Proportional to 6,885.44, 9,501.76 and 3,741.60

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Solution

The fourth proportional to 6,885.44, 9,501.76 and 3,741.60 is: 5,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.44 : 9,501.76 = 3,741.60 : x
  2. Step 2: Convert to fraction form
    6,885.44/9,501.76 = 3,741.60/x
  3. Step 3: Cross multiply
    6,885.44x = 9,501.76 × 3,741.60
  4. Step 4: Simplify right side
    6,885.44x = 35,551,785.22
  5. Step 5: Solve for x
    x = 35,551,785.22/6,885.44
  6. Step 6: Final answer
    x = 5,163.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.