Home / 4,936.60-6,809.70-2,840.32

Finding the Fourth Proportional to 4,936.60, 6,809.70 and 2,840.32

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Solution

The fourth proportional to 4,936.60, 6,809.70 and 2,840.32 is: 3,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.60 : 6,809.70 = 2,840.32 : x
  2. Step 2: Convert to fraction form
    4,936.60/6,809.70 = 2,840.32/x
  3. Step 3: Cross multiply
    4,936.60x = 6,809.70 × 2,840.32
  4. Step 4: Simplify right side
    4,936.60x = 19,341,727.10
  5. Step 5: Solve for x
    x = 19,341,727.10/4,936.60
  6. Step 6: Final answer
    x = 3,918.03

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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.