Home / 6,389.19-9,583.07-1,709.69

Finding the Fourth Proportional to 6,389.19, 9,583.07 and 1,709.69

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Solution

The fourth proportional to 6,389.19, 9,583.07 and 1,709.69 is: 2,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.19 : 9,583.07 = 1,709.69 : x
  2. Step 2: Convert to fraction form
    6,389.19/9,583.07 = 1,709.69/x
  3. Step 3: Cross multiply
    6,389.19x = 9,583.07 × 1,709.69
  4. Step 4: Simplify right side
    6,389.19x = 16,384,022.48
  5. Step 5: Solve for x
    x = 16,384,022.48/6,389.19
  6. Step 6: Final answer
    x = 2,564.33

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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.