Home / 6,924.40-10,390.38-3,228.37

Finding the Fourth Proportional to 6,924.40, 10,390.38 and 3,228.37

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Solution

The fourth proportional to 6,924.40, 10,390.38 and 3,228.37 is: 4,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.40 : 10,390.38 = 3,228.37 : x
  2. Step 2: Convert to fraction form
    6,924.40/10,390.38 = 3,228.37/x
  3. Step 3: Cross multiply
    6,924.40x = 10,390.38 × 3,228.37
  4. Step 4: Simplify right side
    6,924.40x = 33,543,991.08
  5. Step 5: Solve for x
    x = 33,543,991.08/6,924.40
  6. Step 6: Final answer
    x = 4,844.32

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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.