Home / 9,290.46-13,928.40-3,443.88

Finding the Fourth Proportional to 9,290.46, 13,928.40 and 3,443.88

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Solution

The fourth proportional to 9,290.46, 13,928.40 and 3,443.88 is: 5,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.46 : 13,928.40 = 3,443.88 : x
  2. Step 2: Convert to fraction form
    9,290.46/13,928.40 = 3,443.88/x
  3. Step 3: Cross multiply
    9,290.46x = 13,928.40 × 3,443.88
  4. Step 4: Simplify right side
    9,290.46x = 47,967,738.19
  5. Step 5: Solve for x
    x = 47,967,738.19/9,290.46
  6. Step 6: Final answer
    x = 5,163.12

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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.