Home / 4,021.84-6,033.80-1,389.88

Finding the Fourth Proportional to 4,021.84, 6,033.80 and 1,389.88

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Solution

The fourth proportional to 4,021.84, 6,033.80 and 1,389.88 is: 2,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.84 : 6,033.80 = 1,389.88 : x
  2. Step 2: Convert to fraction form
    4,021.84/6,033.80 = 1,389.88/x
  3. Step 3: Cross multiply
    4,021.84x = 6,033.80 × 1,389.88
  4. Step 4: Simplify right side
    4,021.84x = 8,386,257.94
  5. Step 5: Solve for x
    x = 8,386,257.94/4,021.84
  6. Step 6: Final answer
    x = 2,085.18

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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.