Home / 7,338.36-11,007.06-2,143.80

Finding the Fourth Proportional to 7,338.36, 11,007.06 and 2,143.80

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Solution

The fourth proportional to 7,338.36, 11,007.06 and 2,143.80 is: 3,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.36 : 11,007.06 = 2,143.80 : x
  2. Step 2: Convert to fraction form
    7,338.36/11,007.06 = 2,143.80/x
  3. Step 3: Cross multiply
    7,338.36x = 11,007.06 × 2,143.80
  4. Step 4: Simplify right side
    7,338.36x = 23,596,935.23
  5. Step 5: Solve for x
    x = 23,596,935.23/7,338.36
  6. Step 6: Final answer
    x = 3,215.56

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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.