Home / 6,918.18-9,546.24-3,933.42

Finding the Fourth Proportional to 6,918.18, 9,546.24 and 3,933.42

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Solution

The fourth proportional to 6,918.18, 9,546.24 and 3,933.42 is: 5,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.18 : 9,546.24 = 3,933.42 : x
  2. Step 2: Convert to fraction form
    6,918.18/9,546.24 = 3,933.42/x
  3. Step 3: Cross multiply
    6,918.18x = 9,546.24 × 3,933.42
  4. Step 4: Simplify right side
    6,918.18x = 37,549,371.34
  5. Step 5: Solve for x
    x = 37,549,371.34/6,918.18
  6. Step 6: Final answer
    x = 5,427.64

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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.