Home / 7,760.07-10,708.94-4,223.27

Finding the Fourth Proportional to 7,760.07, 10,708.94 and 4,223.27

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Solution

The fourth proportional to 7,760.07, 10,708.94 and 4,223.27 is: 5,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.07 : 10,708.94 = 4,223.27 : x
  2. Step 2: Convert to fraction form
    7,760.07/10,708.94 = 4,223.27/x
  3. Step 3: Cross multiply
    7,760.07x = 10,708.94 × 4,223.27
  4. Step 4: Simplify right side
    7,760.07x = 45,226,745.03
  5. Step 5: Solve for x
    x = 45,226,745.03/7,760.07
  6. Step 6: Final answer
    x = 5,828.14

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1.5x scale

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.