Home / 4,849.20-6,687.36-2,859.84

Finding the Fourth Proportional to 4,849.20, 6,687.36 and 2,859.84

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Solution

The fourth proportional to 4,849.20, 6,687.36 and 2,859.84 is: 3,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.20 : 6,687.36 = 2,859.84 : x
  2. Step 2: Convert to fraction form
    4,849.20/6,687.36 = 2,859.84/x
  3. Step 3: Cross multiply
    4,849.20x = 6,687.36 × 2,859.84
  4. Step 4: Simplify right side
    4,849.20x = 19,124,779.62
  5. Step 5: Solve for x
    x = 19,124,779.62/4,849.20
  6. Step 6: Final answer
    x = 3,943.90

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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.