Home / 7,998.21-11,040.83-5,013.36

Finding the Fourth Proportional to 7,998.21, 11,040.83 and 5,013.36

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Solution

The fourth proportional to 7,998.21, 11,040.83 and 5,013.36 is: 6,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.21 : 11,040.83 = 5,013.36 : x
  2. Step 2: Convert to fraction form
    7,998.21/11,040.83 = 5,013.36/x
  3. Step 3: Cross multiply
    7,998.21x = 11,040.83 × 5,013.36
  4. Step 4: Simplify right side
    7,998.21x = 55,351,655.49
  5. Step 5: Solve for x
    x = 55,351,655.49/7,998.21
  6. Step 6: Final answer
    x = 6,920.51

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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.