Home / 9,271.68-13,907.40-2,251.75

Finding the Fourth Proportional to 9,271.68, 13,907.40 and 2,251.75

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Solution

The fourth proportional to 9,271.68, 13,907.40 and 2,251.75 is: 3,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.68 : 13,907.40 = 2,251.75 : x
  2. Step 2: Convert to fraction form
    9,271.68/13,907.40 = 2,251.75/x
  3. Step 3: Cross multiply
    9,271.68x = 13,907.40 × 2,251.75
  4. Step 4: Simplify right side
    9,271.68x = 31,315,987.95
  5. Step 5: Solve for x
    x = 31,315,987.95/9,271.68
  6. Step 6: Final answer
    x = 3,377.60

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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.