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Finding the Fourth Proportional to 7,195.66, 10,721.48 and 6,419.27

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Solution

The fourth proportional to 7,195.66, 10,721.48 and 6,419.27 is: 9,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.66 : 10,721.48 = 6,419.27 : x
  2. Step 2: Convert to fraction form
    7,195.66/10,721.48 = 6,419.27/x
  3. Step 3: Cross multiply
    7,195.66x = 10,721.48 × 6,419.27
  4. Step 4: Simplify right side
    7,195.66x = 68,824,069.63
  5. Step 5: Solve for x
    x = 68,824,069.63/7,195.66
  6. Step 6: Final answer
    x = 9,564.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.