Home / 9,281.88-13,922.82-3,431.64

Finding the Fourth Proportional to 9,281.88, 13,922.82 and 3,431.64

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Solution

The fourth proportional to 9,281.88, 13,922.82 and 3,431.64 is: 5,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.88 : 13,922.82 = 3,431.64 : x
  2. Step 2: Convert to fraction form
    9,281.88/13,922.82 = 3,431.64/x
  3. Step 3: Cross multiply
    9,281.88x = 13,922.82 × 3,431.64
  4. Step 4: Simplify right side
    9,281.88x = 47,778,106.02
  5. Step 5: Solve for x
    x = 47,778,106.02/9,281.88
  6. Step 6: Final answer
    x = 5,147.46

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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.