Home / 6,377.14-9,561.79-2,215.36

Finding the Fourth Proportional to 6,377.14, 9,561.79 and 2,215.36

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Solution

The fourth proportional to 6,377.14, 9,561.79 and 2,215.36 is: 3,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.14 : 9,561.79 = 2,215.36 : x
  2. Step 2: Convert to fraction form
    6,377.14/9,561.79 = 2,215.36/x
  3. Step 3: Cross multiply
    6,377.14x = 9,561.79 × 2,215.36
  4. Step 4: Simplify right side
    6,377.14x = 21,182,807.09
  5. Step 5: Solve for x
    x = 21,182,807.09/6,377.14
  6. Step 6: Final answer
    x = 3,321.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.