Home / 6,869.00-9,477.88-3,883.75

Finding the Fourth Proportional to 6,869.00, 9,477.88 and 3,883.75

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Solution

The fourth proportional to 6,869.00, 9,477.88 and 3,883.75 is: 5,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.00 : 9,477.88 = 3,883.75 : x
  2. Step 2: Convert to fraction form
    6,869.00/9,477.88 = 3,883.75/x
  3. Step 3: Cross multiply
    6,869.00x = 9,477.88 × 3,883.75
  4. Step 4: Simplify right side
    6,869.00x = 36,809,683.05
  5. Step 5: Solve for x
    x = 36,809,683.05/6,869.00
  6. Step 6: Final answer
    x = 5,358.81

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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.