Home / 7,849.37-11,774.43-2,917.85

Finding the Fourth Proportional to 7,849.37, 11,774.43 and 2,917.85

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Solution

The fourth proportional to 7,849.37, 11,774.43 and 2,917.85 is: 4,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.37 : 11,774.43 = 2,917.85 : x
  2. Step 2: Convert to fraction form
    7,849.37/11,774.43 = 2,917.85/x
  3. Step 3: Cross multiply
    7,849.37x = 11,774.43 × 2,917.85
  4. Step 4: Simplify right side
    7,849.37x = 34,356,038.23
  5. Step 5: Solve for x
    x = 34,356,038.23/7,849.37
  6. Step 6: Final answer
    x = 4,376.92

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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.