Home / 4,936.36-6,812.88-2,840.08

Finding the Fourth Proportional to 4,936.36, 6,812.88 and 2,840.08

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Solution

The fourth proportional to 4,936.36, 6,812.88 and 2,840.08 is: 3,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.36 : 6,812.88 = 2,840.08 : x
  2. Step 2: Convert to fraction form
    4,936.36/6,812.88 = 2,840.08/x
  3. Step 3: Cross multiply
    4,936.36x = 6,812.88 × 2,840.08
  4. Step 4: Simplify right side
    4,936.36x = 19,349,124.23
  5. Step 5: Solve for x
    x = 19,349,124.23/4,936.36
  6. Step 6: Final answer
    x = 3,919.71

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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.