Home / 6,918.20-9,546.96-3,774.32

Finding the Fourth Proportional to 6,918.20, 9,546.96 and 3,774.32

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Solution

The fourth proportional to 6,918.20, 9,546.96 and 3,774.32 is: 5,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.20 : 9,546.96 = 3,774.32 : x
  2. Step 2: Convert to fraction form
    6,918.20/9,546.96 = 3,774.32/x
  3. Step 3: Cross multiply
    6,918.20x = 9,546.96 × 3,774.32
  4. Step 4: Simplify right side
    6,918.20x = 36,033,282.07
  5. Step 5: Solve for x
    x = 36,033,282.07/6,918.20
  6. Step 6: Final answer
    x = 5,208.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.