Home / 6,989.69-10,480.94-2,058.68

Finding the Fourth Proportional to 6,989.69, 10,480.94 and 2,058.68

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Solution

The fourth proportional to 6,989.69, 10,480.94 and 2,058.68 is: 3,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.69 : 10,480.94 = 2,058.68 : x
  2. Step 2: Convert to fraction form
    6,989.69/10,480.94 = 2,058.68/x
  3. Step 3: Cross multiply
    6,989.69x = 10,480.94 × 2,058.68
  4. Step 4: Simplify right side
    6,989.69x = 21,576,901.56
  5. Step 5: Solve for x
    x = 21,576,901.56/6,989.69
  6. Step 6: Final answer
    x = 3,086.96

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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.