Home / 9,222.31-13,830.90-4,286.98

Finding the Fourth Proportional to 9,222.31, 13,830.90 and 4,286.98

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Solution

The fourth proportional to 9,222.31, 13,830.90 and 4,286.98 is: 6,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.31 : 13,830.90 = 4,286.98 : x
  2. Step 2: Convert to fraction form
    9,222.31/13,830.90 = 4,286.98/x
  3. Step 3: Cross multiply
    9,222.31x = 13,830.90 × 4,286.98
  4. Step 4: Simplify right side
    9,222.31x = 59,292,791.68
  5. Step 5: Solve for x
    x = 59,292,791.68/9,222.31
  6. Step 6: Final answer
    x = 6,429.28

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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.