Home / 7,709.07-11,555.90-3,552.09

Finding the Fourth Proportional to 7,709.07, 11,555.90 and 3,552.09

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Solution

The fourth proportional to 7,709.07, 11,555.90 and 3,552.09 is: 5,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.07 : 11,555.90 = 3,552.09 : x
  2. Step 2: Convert to fraction form
    7,709.07/11,555.90 = 3,552.09/x
  3. Step 3: Cross multiply
    7,709.07x = 11,555.90 × 3,552.09
  4. Step 4: Simplify right side
    7,709.07x = 41,047,549.06
  5. Step 5: Solve for x
    x = 41,047,549.06/7,709.07
  6. Step 6: Final answer
    x = 5,324.58

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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.