Home / 7,849.65-11,775.98-2,586.18

Finding the Fourth Proportional to 7,849.65, 11,775.98 and 2,586.18

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Solution

The fourth proportional to 7,849.65, 11,775.98 and 2,586.18 is: 3,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.65 : 11,775.98 = 2,586.18 : x
  2. Step 2: Convert to fraction form
    7,849.65/11,775.98 = 2,586.18/x
  3. Step 3: Cross multiply
    7,849.65x = 11,775.98 × 2,586.18
  4. Step 4: Simplify right side
    7,849.65x = 30,454,791.03
  5. Step 5: Solve for x
    x = 30,454,791.03/7,849.65
  6. Step 6: Final answer
    x = 3,879.76

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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.