Home / 4,722.13-7,083.21-1,259.38

Finding the Fourth Proportional to 4,722.13, 7,083.21 and 1,259.38

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Solution

The fourth proportional to 4,722.13, 7,083.21 and 1,259.38 is: 1,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.13 : 7,083.21 = 1,259.38 : x
  2. Step 2: Convert to fraction form
    4,722.13/7,083.21 = 1,259.38/x
  3. Step 3: Cross multiply
    4,722.13x = 7,083.21 × 1,259.38
  4. Step 4: Simplify right side
    4,722.13x = 8,920,453.01
  5. Step 5: Solve for x
    x = 8,920,453.01/4,722.13
  6. Step 6: Final answer
    x = 1,889.07

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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.