Home / 4,845.28-6,686.60-2,749.36

Finding the Fourth Proportional to 4,845.28, 6,686.60 and 2,749.36

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Solution

The fourth proportional to 4,845.28, 6,686.60 and 2,749.36 is: 3,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.28 : 6,686.60 = 2,749.36 : x
  2. Step 2: Convert to fraction form
    4,845.28/6,686.60 = 2,749.36/x
  3. Step 3: Cross multiply
    4,845.28x = 6,686.60 × 2,749.36
  4. Step 4: Simplify right side
    4,845.28x = 18,383,870.58
  5. Step 5: Solve for x
    x = 18,383,870.58/4,845.28
  6. Step 6: Final answer
    x = 3,794.18

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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.