Home / 7,701.26-10,629.44-5,007.80

Finding the Fourth Proportional to 7,701.26, 10,629.44 and 5,007.80

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Solution

The fourth proportional to 7,701.26, 10,629.44 and 5,007.80 is: 6,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.26 : 10,629.44 = 5,007.80 : x
  2. Step 2: Convert to fraction form
    7,701.26/10,629.44 = 5,007.80/x
  3. Step 3: Cross multiply
    7,701.26x = 10,629.44 × 5,007.80
  4. Step 4: Simplify right side
    7,701.26x = 53,230,095.58
  5. Step 5: Solve for x
    x = 53,230,095.58/7,701.26
  6. Step 6: Final answer
    x = 6,911.87

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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.