Home / 6,849.81-10,278.66-2,900.79

Finding the Fourth Proportional to 6,849.81, 10,278.66 and 2,900.79

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Solution

The fourth proportional to 6,849.81, 10,278.66 and 2,900.79 is: 4,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.81 : 10,278.66 = 2,900.79 : x
  2. Step 2: Convert to fraction form
    6,849.81/10,278.66 = 2,900.79/x
  3. Step 3: Cross multiply
    6,849.81x = 10,278.66 × 2,900.79
  4. Step 4: Simplify right side
    6,849.81x = 29,816,234.14
  5. Step 5: Solve for x
    x = 29,816,234.14/6,849.81
  6. Step 6: Final answer
    x = 4,352.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.