Home / 5,261.36-7,260.42-3,021.65

Finding the Fourth Proportional to 5,261.36, 7,260.42 and 3,021.65

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Solution

The fourth proportional to 5,261.36, 7,260.42 and 3,021.65 is: 4,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.36 : 7,260.42 = 3,021.65 : x
  2. Step 2: Convert to fraction form
    5,261.36/7,260.42 = 3,021.65/x
  3. Step 3: Cross multiply
    5,261.36x = 7,260.42 × 3,021.65
  4. Step 4: Simplify right side
    5,261.36x = 21,938,411.79
  5. Step 5: Solve for x
    x = 21,938,411.79/5,261.36
  6. Step 6: Final answer
    x = 4,169.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.