Home / 4,653.68-6,419.40-2,789.60

Finding the Fourth Proportional to 4,653.68, 6,419.40 and 2,789.60

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Solution

The fourth proportional to 4,653.68, 6,419.40 and 2,789.60 is: 3,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.68 : 6,419.40 = 2,789.60 : x
  2. Step 2: Convert to fraction form
    4,653.68/6,419.40 = 2,789.60/x
  3. Step 3: Cross multiply
    4,653.68x = 6,419.40 × 2,789.60
  4. Step 4: Simplify right side
    4,653.68x = 17,907,558.24
  5. Step 5: Solve for x
    x = 17,907,558.24/4,653.68
  6. Step 6: Final answer
    x = 3,848.04

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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.