Home / 9,021.75-12,453.39-6,790.07

Finding the Fourth Proportional to 9,021.75, 12,453.39 and 6,790.07

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Solution

The fourth proportional to 9,021.75, 12,453.39 and 6,790.07 is: 9,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.75 : 12,453.39 = 6,790.07 : x
  2. Step 2: Convert to fraction form
    9,021.75/12,453.39 = 6,790.07/x
  3. Step 3: Cross multiply
    9,021.75x = 12,453.39 × 6,790.07
  4. Step 4: Simplify right side
    9,021.75x = 84,559,327.57
  5. Step 5: Solve for x
    x = 84,559,327.57/9,021.75
  6. Step 6: Final answer
    x = 9,372.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.