Home / 6,911.06-9,537.68-3,927.08

Finding the Fourth Proportional to 6,911.06, 9,537.68 and 3,927.08

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Solution

The fourth proportional to 6,911.06, 9,537.68 and 3,927.08 is: 5,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.06 : 9,537.68 = 3,927.08 : x
  2. Step 2: Convert to fraction form
    6,911.06/9,537.68 = 3,927.08/x
  3. Step 3: Cross multiply
    6,911.06x = 9,537.68 × 3,927.08
  4. Step 4: Simplify right side
    6,911.06x = 37,455,266.04
  5. Step 5: Solve for x
    x = 37,455,266.04/6,911.06
  6. Step 6: Final answer
    x = 5,419.62

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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.