Home / 4,111.36-6,189.04-3,688

Finding the Fourth Proportional to 4,111.36, 6,189.04 and 3,688

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Solution

The fourth proportional to 4,111.36, 6,189.04 and 3,688 is: 5,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.36 : 6,189.04 = 3,688 : x
  2. Step 2: Convert to fraction form
    4,111.36/6,189.04 = 3,688/x
  3. Step 3: Cross multiply
    4,111.36x = 6,189.04 × 3,688
  4. Step 4: Simplify right side
    4,111.36x = 22,825,179.52
  5. Step 5: Solve for x
    x = 22,825,179.52/4,111.36
  6. Step 6: Final answer
    x = 5,551.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.