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Finding the Fourth Proportional to 6,615.26, 9,923.81 and 1,935.60

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Solution

The fourth proportional to 6,615.26, 9,923.81 and 1,935.60 is: 2,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.26 : 9,923.81 = 1,935.60 : x
  2. Step 2: Convert to fraction form
    6,615.26/9,923.81 = 1,935.60/x
  3. Step 3: Cross multiply
    6,615.26x = 9,923.81 × 1,935.60
  4. Step 4: Simplify right side
    6,615.26x = 19,208,516.96
  5. Step 5: Solve for x
    x = 19,208,516.96/6,615.26
  6. Step 6: Final answer
    x = 2,903.67

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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.