Home / 4,860.75-6,707.85-2,765.28

Finding the Fourth Proportional to 4,860.75, 6,707.85 and 2,765.28

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Solution

The fourth proportional to 4,860.75, 6,707.85 and 2,765.28 is: 3,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.75 : 6,707.85 = 2,765.28 : x
  2. Step 2: Convert to fraction form
    4,860.75/6,707.85 = 2,765.28/x
  3. Step 3: Cross multiply
    4,860.75x = 6,707.85 × 2,765.28
  4. Step 4: Simplify right side
    4,860.75x = 18,549,083.45
  5. Step 5: Solve for x
    x = 18,549,083.45/4,860.75
  6. Step 6: Final answer
    x = 3,816.09

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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.