Home / 4,763.90-6,571.91-3,086.79

Finding the Fourth Proportional to 4,763.90, 6,571.91 and 3,086.79

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Solution

The fourth proportional to 4,763.90, 6,571.91 and 3,086.79 is: 4,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.90 : 6,571.91 = 3,086.79 : x
  2. Step 2: Convert to fraction form
    4,763.90/6,571.91 = 3,086.79/x
  3. Step 3: Cross multiply
    4,763.90x = 6,571.91 × 3,086.79
  4. Step 4: Simplify right side
    4,763.90x = 20,286,090.63
  5. Step 5: Solve for x
    x = 20,286,090.63/4,763.90
  6. Step 6: Final answer
    x = 4,258.30

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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.