Home / 4,939.92-6,813.36-3,365.28

Finding the Fourth Proportional to 4,939.92, 6,813.36 and 3,365.28

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Solution

The fourth proportional to 4,939.92, 6,813.36 and 3,365.28 is: 4,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.92 : 6,813.36 = 3,365.28 : x
  2. Step 2: Convert to fraction form
    4,939.92/6,813.36 = 3,365.28/x
  3. Step 3: Cross multiply
    4,939.92x = 6,813.36 × 3,365.28
  4. Step 4: Simplify right side
    4,939.92x = 22,928,864.14
  5. Step 5: Solve for x
    x = 22,928,864.14/4,939.92
  6. Step 6: Final answer
    x = 4,641.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.