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Finding the Fourth Proportional to 7,300.80, 10,953 and 2,107.08

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Solution

The fourth proportional to 7,300.80, 10,953 and 2,107.08 is: 3,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.80 : 10,953 = 2,107.08 : x
  2. Step 2: Convert to fraction form
    7,300.80/10,953 = 2,107.08/x
  3. Step 3: Cross multiply
    7,300.80x = 10,953 × 2,107.08
  4. Step 4: Simplify right side
    7,300.80x = 23,078,847.24
  5. Step 5: Solve for x
    x = 23,078,847.24/7,300.80
  6. Step 6: Final answer
    x = 3,161.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.