Home / 6,356.31-9,519.42-3,228.56

Finding the Fourth Proportional to 6,356.31, 9,519.42 and 3,228.56

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Solution

The fourth proportional to 6,356.31, 9,519.42 and 3,228.56 is: 4,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.31 : 9,519.42 = 3,228.56 : x
  2. Step 2: Convert to fraction form
    6,356.31/9,519.42 = 3,228.56/x
  3. Step 3: Cross multiply
    6,356.31x = 9,519.42 × 3,228.56
  4. Step 4: Simplify right side
    6,356.31x = 30,734,018.84
  5. Step 5: Solve for x
    x = 30,734,018.84/6,356.31
  6. Step 6: Final answer
    x = 4,835.20

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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.