Home / 4,356.36-6,521.58-2,619.72

Finding the Fourth Proportional to 4,356.36, 6,521.58 and 2,619.72

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Solution

The fourth proportional to 4,356.36, 6,521.58 and 2,619.72 is: 3,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.36 : 6,521.58 = 2,619.72 : x
  2. Step 2: Convert to fraction form
    4,356.36/6,521.58 = 2,619.72/x
  3. Step 3: Cross multiply
    4,356.36x = 6,521.58 × 2,619.72
  4. Step 4: Simplify right side
    4,356.36x = 17,084,713.56
  5. Step 5: Solve for x
    x = 17,084,713.56/4,356.36
  6. Step 6: Final answer
    x = 3,921.79

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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.