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Finding the Fourth Proportional to 7,230.19, 10,846.01 and 1,965.28

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Solution

The fourth proportional to 7,230.19, 10,846.01 and 1,965.28 is: 2,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.19 : 10,846.01 = 1,965.28 : x
  2. Step 2: Convert to fraction form
    7,230.19/10,846.01 = 1,965.28/x
  3. Step 3: Cross multiply
    7,230.19x = 10,846.01 × 1,965.28
  4. Step 4: Simplify right side
    7,230.19x = 21,315,446.53
  5. Step 5: Solve for x
    x = 21,315,446.53/7,230.19
  6. Step 6: Final answer
    x = 2,948.12

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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.