Home / 7,579.79-11,371.26-3,197.28

Finding the Fourth Proportional to 7,579.79, 11,371.26 and 3,197.28

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Solution

The fourth proportional to 7,579.79, 11,371.26 and 3,197.28 is: 4,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.79 : 11,371.26 = 3,197.28 : x
  2. Step 2: Convert to fraction form
    7,579.79/11,371.26 = 3,197.28/x
  3. Step 3: Cross multiply
    7,579.79x = 11,371.26 × 3,197.28
  4. Step 4: Simplify right side
    7,579.79x = 36,357,138.82
  5. Step 5: Solve for x
    x = 36,357,138.82/7,579.79
  6. Step 6: Final answer
    x = 4,796.59

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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.