Home / 9,289.62-13,930.43-5,774.36

Finding the Fourth Proportional to 9,289.62, 13,930.43 and 5,774.36

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Solution

The fourth proportional to 9,289.62, 13,930.43 and 5,774.36 is: 8,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.62 : 13,930.43 = 5,774.36 : x
  2. Step 2: Convert to fraction form
    9,289.62/13,930.43 = 5,774.36/x
  3. Step 3: Cross multiply
    9,289.62x = 13,930.43 × 5,774.36
  4. Step 4: Simplify right side
    9,289.62x = 80,439,219.25
  5. Step 5: Solve for x
    x = 80,439,219.25/9,289.62
  6. Step 6: Final answer
    x = 8,659.04

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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.