Home / 6,918.87-9,548.01-3,934.68

Finding the Fourth Proportional to 6,918.87, 9,548.01 and 3,934.68

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Solution

The fourth proportional to 6,918.87, 9,548.01 and 3,934.68 is: 5,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.87 : 9,548.01 = 3,934.68 : x
  2. Step 2: Convert to fraction form
    6,918.87/9,548.01 = 3,934.68/x
  3. Step 3: Cross multiply
    6,918.87x = 9,548.01 × 3,934.68
  4. Step 4: Simplify right side
    6,918.87x = 37,568,363.99
  5. Step 5: Solve for x
    x = 37,568,363.99/6,918.87
  6. Step 6: Final answer
    x = 5,429.84

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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.