Home / 4,881.52-6,736.08-2,785.60

Finding the Fourth Proportional to 4,881.52, 6,736.08 and 2,785.60

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Solution

The fourth proportional to 4,881.52, 6,736.08 and 2,785.60 is: 3,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.52 : 6,736.08 = 2,785.60 : x
  2. Step 2: Convert to fraction form
    4,881.52/6,736.08 = 2,785.60/x
  3. Step 3: Cross multiply
    4,881.52x = 6,736.08 × 2,785.60
  4. Step 4: Simplify right side
    4,881.52x = 18,764,024.45
  5. Step 5: Solve for x
    x = 18,764,024.45/4,881.52
  6. Step 6: Final answer
    x = 3,843.89

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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.