Home / 7,716.68-11,559.58-3,550.98

Finding the Fourth Proportional to 7,716.68, 11,559.58 and 3,550.98

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Solution

The fourth proportional to 7,716.68, 11,559.58 and 3,550.98 is: 5,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.68 : 11,559.58 = 3,550.98 : x
  2. Step 2: Convert to fraction form
    7,716.68/11,559.58 = 3,550.98/x
  3. Step 3: Cross multiply
    7,716.68x = 11,559.58 × 3,550.98
  4. Step 4: Simplify right side
    7,716.68x = 41,047,837.39
  5. Step 5: Solve for x
    x = 41,047,837.39/7,716.68
  6. Step 6: Final answer
    x = 5,319.36

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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.