Home / 7,914.08-11,867.18-2,647.26

Finding the Fourth Proportional to 7,914.08, 11,867.18 and 2,647.26

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Solution

The fourth proportional to 7,914.08, 11,867.18 and 2,647.26 is: 3,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.08 : 11,867.18 = 2,647.26 : x
  2. Step 2: Convert to fraction form
    7,914.08/11,867.18 = 2,647.26/x
  3. Step 3: Cross multiply
    7,914.08x = 11,867.18 × 2,647.26
  4. Step 4: Simplify right side
    7,914.08x = 31,415,497.69
  5. Step 5: Solve for x
    x = 31,415,497.69/7,914.08
  6. Step 6: Final answer
    x = 3,969.57

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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.