Home / 4,881.28-6,736.04-2,785.36

Finding the Fourth Proportional to 4,881.28, 6,736.04 and 2,785.36

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Solution

The fourth proportional to 4,881.28, 6,736.04 and 2,785.36 is: 3,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.28 : 6,736.04 = 2,785.36 : x
  2. Step 2: Convert to fraction form
    4,881.28/6,736.04 = 2,785.36/x
  3. Step 3: Cross multiply
    4,881.28x = 6,736.04 × 2,785.36
  4. Step 4: Simplify right side
    4,881.28x = 18,762,296.37
  5. Step 5: Solve for x
    x = 18,762,296.37/4,881.28
  6. Step 6: Final answer
    x = 3,843.72

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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.