Home / 6,579-9,866.36-2,195.28

Finding the Fourth Proportional to 6,579, 9,866.36 and 2,195.28

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Solution

The fourth proportional to 6,579, 9,866.36 and 2,195.28 is: 3,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579 : 9,866.36 = 2,195.28 : x
  2. Step 2: Convert to fraction form
    6,579/9,866.36 = 2,195.28/x
  3. Step 3: Cross multiply
    6,579x = 9,866.36 × 2,195.28
  4. Step 4: Simplify right side
    6,579x = 21,659,422.78
  5. Step 5: Solve for x
    x = 21,659,422.78/6,579
  6. Step 6: Final answer
    x = 3,292.21

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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.