Home / 4,920.28-6,799.26-3,880.60

Finding the Fourth Proportional to 4,920.28, 6,799.26 and 3,880.60

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Solution

The fourth proportional to 4,920.28, 6,799.26 and 3,880.60 is: 5,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.28 : 6,799.26 = 3,880.60 : x
  2. Step 2: Convert to fraction form
    4,920.28/6,799.26 = 3,880.60/x
  3. Step 3: Cross multiply
    4,920.28x = 6,799.26 × 3,880.60
  4. Step 4: Simplify right side
    4,920.28x = 26,385,208.36
  5. Step 5: Solve for x
    x = 26,385,208.36/4,920.28
  6. Step 6: Final answer
    x = 5,362.54

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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.