Home / 7,849.86-11,775.93-2,653.98

Finding the Fourth Proportional to 7,849.86, 11,775.93 and 2,653.98

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Solution

The fourth proportional to 7,849.86, 11,775.93 and 2,653.98 is: 3,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.86 : 11,775.93 = 2,653.98 : x
  2. Step 2: Convert to fraction form
    7,849.86/11,775.93 = 2,653.98/x
  3. Step 3: Cross multiply
    7,849.86x = 11,775.93 × 2,653.98
  4. Step 4: Simplify right side
    7,849.86x = 31,253,082.70
  5. Step 5: Solve for x
    x = 31,253,082.70/7,849.86
  6. Step 6: Final answer
    x = 3,981.36

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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.