Home / 4,881.60-6,736.32-2,785.68

Finding the Fourth Proportional to 4,881.60, 6,736.32 and 2,785.68

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Solution

The fourth proportional to 4,881.60, 6,736.32 and 2,785.68 is: 3,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.60 : 6,736.32 = 2,785.68 : x
  2. Step 2: Convert to fraction form
    4,881.60/6,736.32 = 2,785.68/x
  3. Step 3: Cross multiply
    4,881.60x = 6,736.32 × 2,785.68
  4. Step 4: Simplify right side
    4,881.60x = 18,765,231.90
  5. Step 5: Solve for x
    x = 18,765,231.90/4,881.60
  6. Step 6: Final answer
    x = 3,844.07

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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.