Home / 4,915.08-6,789.69-3,422.25

Finding the Fourth Proportional to 4,915.08, 6,789.69 and 3,422.25

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Solution

The fourth proportional to 4,915.08, 6,789.69 and 3,422.25 is: 4,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.08 : 6,789.69 = 3,422.25 : x
  2. Step 2: Convert to fraction form
    4,915.08/6,789.69 = 3,422.25/x
  3. Step 3: Cross multiply
    4,915.08x = 6,789.69 × 3,422.25
  4. Step 4: Simplify right side
    4,915.08x = 23,236,016.60
  5. Step 5: Solve for x
    x = 23,236,016.60/4,915.08
  6. Step 6: Final answer
    x = 4,727.50

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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.