Home / 8,955.09-13,429.94-3,759.81

Finding the Fourth Proportional to 8,955.09, 13,429.94 and 3,759.81

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Solution

The fourth proportional to 8,955.09, 13,429.94 and 3,759.81 is: 5,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.09 : 13,429.94 = 3,759.81 : x
  2. Step 2: Convert to fraction form
    8,955.09/13,429.94 = 3,759.81/x
  3. Step 3: Cross multiply
    8,955.09x = 13,429.94 × 3,759.81
  4. Step 4: Simplify right side
    8,955.09x = 50,494,003.91
  5. Step 5: Solve for x
    x = 50,494,003.91/8,955.09
  6. Step 6: Final answer
    x = 5,638.58

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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.