Home / 4,860.75-6,707.79-2,764.87

Finding the Fourth Proportional to 4,860.75, 6,707.79 and 2,764.87

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Solution

The fourth proportional to 4,860.75, 6,707.79 and 2,764.87 is: 3,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.75 : 6,707.79 = 2,764.87 : x
  2. Step 2: Convert to fraction form
    4,860.75/6,707.79 = 2,764.87/x
  3. Step 3: Cross multiply
    4,860.75x = 6,707.79 × 2,764.87
  4. Step 4: Simplify right side
    4,860.75x = 18,546,167.34
  5. Step 5: Solve for x
    x = 18,546,167.34/4,860.75
  6. Step 6: Final answer
    x = 3,815.50

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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.