Home / 6,752.07-10,128.14-1,821.73

Finding the Fourth Proportional to 6,752.07, 10,128.14 and 1,821.73

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Solution

The fourth proportional to 6,752.07, 10,128.14 and 1,821.73 is: 2,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.07 : 10,128.14 = 1,821.73 : x
  2. Step 2: Convert to fraction form
    6,752.07/10,128.14 = 1,821.73/x
  3. Step 3: Cross multiply
    6,752.07x = 10,128.14 × 1,821.73
  4. Step 4: Simplify right side
    6,752.07x = 18,450,736.48
  5. Step 5: Solve for x
    x = 18,450,736.48/6,752.07
  6. Step 6: Final answer
    x = 2,732.60

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1.5x scale

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.