Home / 6,949.59-9,590.77-3,966

Finding the Fourth Proportional to 6,949.59, 9,590.77 and 3,966

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Solution

The fourth proportional to 6,949.59, 9,590.77 and 3,966 is: 5,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.59 : 9,590.77 = 3,966 : x
  2. Step 2: Convert to fraction form
    6,949.59/9,590.77 = 3,966/x
  3. Step 3: Cross multiply
    6,949.59x = 9,590.77 × 3,966
  4. Step 4: Simplify right side
    6,949.59x = 38,036,993.82
  5. Step 5: Solve for x
    x = 38,036,993.82/6,949.59
  6. Step 6: Final answer
    x = 5,473.27

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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.