Home / 7,122.49-10,683.73-2,192.02

Finding the Fourth Proportional to 7,122.49, 10,683.73 and 2,192.02

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Solution

The fourth proportional to 7,122.49, 10,683.73 and 2,192.02 is: 3,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.49 : 10,683.73 = 2,192.02 : x
  2. Step 2: Convert to fraction form
    7,122.49/10,683.73 = 2,192.02/x
  3. Step 3: Cross multiply
    7,122.49x = 10,683.73 × 2,192.02
  4. Step 4: Simplify right side
    7,122.49x = 23,418,949.83
  5. Step 5: Solve for x
    x = 23,418,949.83/7,122.49
  6. Step 6: Final answer
    x = 3,288.03

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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.