Home / 4,913.28-6,789.60-3,873.60

Finding the Fourth Proportional to 4,913.28, 6,789.60 and 3,873.60

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Solution

The fourth proportional to 4,913.28, 6,789.60 and 3,873.60 is: 5,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.28 : 6,789.60 = 3,873.60 : x
  2. Step 2: Convert to fraction form
    4,913.28/6,789.60 = 3,873.60/x
  3. Step 3: Cross multiply
    4,913.28x = 6,789.60 × 3,873.60
  4. Step 4: Simplify right side
    4,913.28x = 26,300,194.56
  5. Step 5: Solve for x
    x = 26,300,194.56/4,913.28
  6. Step 6: Final answer
    x = 5,352.88

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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.