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Finding the Fourth Proportional to 4,808.25, 7,209.14 and 3,868.65

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Solution

The fourth proportional to 4,808.25, 7,209.14 and 3,868.65 is: 5,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.25 : 7,209.14 = 3,868.65 : x
  2. Step 2: Convert to fraction form
    4,808.25/7,209.14 = 3,868.65/x
  3. Step 3: Cross multiply
    4,808.25x = 7,209.14 × 3,868.65
  4. Step 4: Simplify right side
    4,808.25x = 27,889,620.12
  5. Step 5: Solve for x
    x = 27,889,620.12/4,808.25
  6. Step 6: Final answer
    x = 5,800.37

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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.