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Finding the Fourth Proportional to 6,393.70, 9,588.66 and 2,881.68

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Solution

The fourth proportional to 6,393.70, 9,588.66 and 2,881.68 is: 4,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.70 : 9,588.66 = 2,881.68 : x
  2. Step 2: Convert to fraction form
    6,393.70/9,588.66 = 2,881.68/x
  3. Step 3: Cross multiply
    6,393.70x = 9,588.66 × 2,881.68
  4. Step 4: Simplify right side
    6,393.70x = 27,631,449.75
  5. Step 5: Solve for x
    x = 27,631,449.75/6,393.70
  6. Step 6: Final answer
    x = 4,321.67

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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.