Home / 6,989.42-10,480.49-2,603.27

Finding the Fourth Proportional to 6,989.42, 10,480.49 and 2,603.27

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Solution

The fourth proportional to 6,989.42, 10,480.49 and 2,603.27 is: 3,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.42 : 10,480.49 = 2,603.27 : x
  2. Step 2: Convert to fraction form
    6,989.42/10,480.49 = 2,603.27/x
  3. Step 3: Cross multiply
    6,989.42x = 10,480.49 × 2,603.27
  4. Step 4: Simplify right side
    6,989.42x = 27,283,558.39
  5. Step 5: Solve for x
    x = 27,283,558.39/6,989.42
  6. Step 6: Final answer
    x = 3,903.55

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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.