Home / 7,163.09-9,885.96-4,019.25

Finding the Fourth Proportional to 7,163.09, 9,885.96 and 4,019.25

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Solution

The fourth proportional to 7,163.09, 9,885.96 and 4,019.25 is: 5,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.09 : 9,885.96 = 4,019.25 : x
  2. Step 2: Convert to fraction form
    7,163.09/9,885.96 = 4,019.25/x
  3. Step 3: Cross multiply
    7,163.09x = 9,885.96 × 4,019.25
  4. Step 4: Simplify right side
    7,163.09x = 39,734,144.73
  5. Step 5: Solve for x
    x = 39,734,144.73/7,163.09
  6. Step 6: Final answer
    x = 5,547.07

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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.