Home / 6,389.45-9,583.60-2,228.75

Finding the Fourth Proportional to 6,389.45, 9,583.60 and 2,228.75

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Solution

The fourth proportional to 6,389.45, 9,583.60 and 2,228.75 is: 3,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.45 : 9,583.60 = 2,228.75 : x
  2. Step 2: Convert to fraction form
    6,389.45/9,583.60 = 2,228.75/x
  3. Step 3: Cross multiply
    6,389.45x = 9,583.60 × 2,228.75
  4. Step 4: Simplify right side
    6,389.45x = 21,359,448.50
  5. Step 5: Solve for x
    x = 21,359,448.50/6,389.45
  6. Step 6: Final answer
    x = 3,342.92

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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.