Home / 8,954.07-13,431.09-2,380.25

Finding the Fourth Proportional to 8,954.07, 13,431.09 and 2,380.25

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Solution

The fourth proportional to 8,954.07, 13,431.09 and 2,380.25 is: 3,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.07 : 13,431.09 = 2,380.25 : x
  2. Step 2: Convert to fraction form
    8,954.07/13,431.09 = 2,380.25/x
  3. Step 3: Cross multiply
    8,954.07x = 13,431.09 × 2,380.25
  4. Step 4: Simplify right side
    8,954.07x = 31,969,394.48
  5. Step 5: Solve for x
    x = 31,969,394.48/8,954.07
  6. Step 6: Final answer
    x = 3,570.38

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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.