Home / 6,690.26-10,021.71-3,127.28

Finding the Fourth Proportional to 6,690.26, 10,021.71 and 3,127.28

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Solution

The fourth proportional to 6,690.26, 10,021.71 and 3,127.28 is: 4,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.26 : 10,021.71 = 3,127.28 : x
  2. Step 2: Convert to fraction form
    6,690.26/10,021.71 = 3,127.28/x
  3. Step 3: Cross multiply
    6,690.26x = 10,021.71 × 3,127.28
  4. Step 4: Simplify right side
    6,690.26x = 31,340,693.25
  5. Step 5: Solve for x
    x = 31,340,693.25/6,690.26
  6. Step 6: Final answer
    x = 4,684.53

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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.