Home / 6,918.82-9,548.08-3,934.17

Finding the Fourth Proportional to 6,918.82, 9,548.08 and 3,934.17

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Solution

The fourth proportional to 6,918.82, 9,548.08 and 3,934.17 is: 5,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.82 : 9,548.08 = 3,934.17 : x
  2. Step 2: Convert to fraction form
    6,918.82/9,548.08 = 3,934.17/x
  3. Step 3: Cross multiply
    6,918.82x = 9,548.08 × 3,934.17
  4. Step 4: Simplify right side
    6,918.82x = 37,563,760.06
  5. Step 5: Solve for x
    x = 37,563,760.06/6,918.82
  6. Step 6: Final answer
    x = 5,429.22

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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.