Home / 7,725.78-11,588.67-3,564.56

Finding the Fourth Proportional to 7,725.78, 11,588.67 and 3,564.56

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Solution

The fourth proportional to 7,725.78, 11,588.67 and 3,564.56 is: 5,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.78 : 11,588.67 = 3,564.56 : x
  2. Step 2: Convert to fraction form
    7,725.78/11,588.67 = 3,564.56/x
  3. Step 3: Cross multiply
    7,725.78x = 11,588.67 × 3,564.56
  4. Step 4: Simplify right side
    7,725.78x = 41,308,538.51
  5. Step 5: Solve for x
    x = 41,308,538.51/7,725.78
  6. Step 6: Final answer
    x = 5,346.84

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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.