Home / 7,710.09-11,564.25-2,163.89

Finding the Fourth Proportional to 7,710.09, 11,564.25 and 2,163.89

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Solution

The fourth proportional to 7,710.09, 11,564.25 and 2,163.89 is: 3,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.09 : 11,564.25 = 2,163.89 : x
  2. Step 2: Convert to fraction form
    7,710.09/11,564.25 = 2,163.89/x
  3. Step 3: Cross multiply
    7,710.09x = 11,564.25 × 2,163.89
  4. Step 4: Simplify right side
    7,710.09x = 25,023,707.11
  5. Step 5: Solve for x
    x = 25,023,707.11/7,710.09
  6. Step 6: Final answer
    x = 3,245.58

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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.