Home / 9,021.93-12,450.87-5,043.75

Finding the Fourth Proportional to 9,021.93, 12,450.87 and 5,043.75

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Solution

The fourth proportional to 9,021.93, 12,450.87 and 5,043.75 is: 6,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.93 : 12,450.87 = 5,043.75 : x
  2. Step 2: Convert to fraction form
    9,021.93/12,450.87 = 5,043.75/x
  3. Step 3: Cross multiply
    9,021.93x = 12,450.87 × 5,043.75
  4. Step 4: Simplify right side
    9,021.93x = 62,799,075.56
  5. Step 5: Solve for x
    x = 62,799,075.56/9,021.93
  6. Step 6: Final answer
    x = 6,960.71

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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.