Home / 7,072.33-10,554.75-6,786.25

Finding the Fourth Proportional to 7,072.33, 10,554.75 and 6,786.25

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Solution

The fourth proportional to 7,072.33, 10,554.75 and 6,786.25 is: 10,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.33 : 10,554.75 = 6,786.25 : x
  2. Step 2: Convert to fraction form
    7,072.33/10,554.75 = 6,786.25/x
  3. Step 3: Cross multiply
    7,072.33x = 10,554.75 × 6,786.25
  4. Step 4: Simplify right side
    7,072.33x = 71,627,184.77
  5. Step 5: Solve for x
    x = 71,627,184.77/7,072.33
  6. Step 6: Final answer
    x = 10,127.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.