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Finding the Fourth Proportional to 7,267.84, 10,907.18 and 2,826.21

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Solution

The fourth proportional to 7,267.84, 10,907.18 and 2,826.21 is: 4,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.84 : 10,907.18 = 2,826.21 : x
  2. Step 2: Convert to fraction form
    7,267.84/10,907.18 = 2,826.21/x
  3. Step 3: Cross multiply
    7,267.84x = 10,907.18 × 2,826.21
  4. Step 4: Simplify right side
    7,267.84x = 30,825,981.19
  5. Step 5: Solve for x
    x = 30,825,981.19/7,267.84
  6. Step 6: Final answer
    x = 4,241.42

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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.