Home / 6,389.26-9,582.11-2,689.33

Finding the Fourth Proportional to 6,389.26, 9,582.11 and 2,689.33

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Solution

The fourth proportional to 6,389.26, 9,582.11 and 2,689.33 is: 4,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.26 : 9,582.11 = 2,689.33 : x
  2. Step 2: Convert to fraction form
    6,389.26/9,582.11 = 2,689.33/x
  3. Step 3: Cross multiply
    6,389.26x = 9,582.11 × 2,689.33
  4. Step 4: Simplify right side
    6,389.26x = 25,769,455.89
  5. Step 5: Solve for x
    x = 25,769,455.89/6,389.26
  6. Step 6: Final answer
    x = 4,033.25

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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.