Home / 7,709.83-11,555.49-3,544.12

Finding the Fourth Proportional to 7,709.83, 11,555.49 and 3,544.12

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Solution

The fourth proportional to 7,709.83, 11,555.49 and 3,544.12 is: 5,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.83 : 11,555.49 = 3,544.12 : x
  2. Step 2: Convert to fraction form
    7,709.83/11,555.49 = 3,544.12/x
  3. Step 3: Cross multiply
    7,709.83x = 11,555.49 × 3,544.12
  4. Step 4: Simplify right side
    7,709.83x = 40,954,043.22
  5. Step 5: Solve for x
    x = 40,954,043.22/7,709.83
  6. Step 6: Final answer
    x = 5,311.93

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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.