Home / 5,838-8,056.16-3,185.28

Finding the Fourth Proportional to 5,838, 8,056.16 and 3,185.28

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Solution

The fourth proportional to 5,838, 8,056.16 and 3,185.28 is: 4,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838 : 8,056.16 = 3,185.28 : x
  2. Step 2: Convert to fraction form
    5,838/8,056.16 = 3,185.28/x
  3. Step 3: Cross multiply
    5,838x = 8,056.16 × 3,185.28
  4. Step 4: Simplify right side
    5,838x = 25,661,125.32
  5. Step 5: Solve for x
    x = 25,661,125.32/5,838
  6. Step 6: Final answer
    x = 4,395.53

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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.