Home / 4,259.07-6,389.82-1,792.62

Finding the Fourth Proportional to 4,259.07, 6,389.82 and 1,792.62

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Solution

The fourth proportional to 4,259.07, 6,389.82 and 1,792.62 is: 2,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.07 : 6,389.82 = 1,792.62 : x
  2. Step 2: Convert to fraction form
    4,259.07/6,389.82 = 1,792.62/x
  3. Step 3: Cross multiply
    4,259.07x = 6,389.82 × 1,792.62
  4. Step 4: Simplify right side
    4,259.07x = 11,454,519.13
  5. Step 5: Solve for x
    x = 11,454,519.13/4,259.07
  6. Step 6: Final answer
    x = 2,689.44

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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.