Home / 7,848.42-11,774.79-3,165.54

Finding the Fourth Proportional to 7,848.42, 11,774.79 and 3,165.54

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Solution

The fourth proportional to 7,848.42, 11,774.79 and 3,165.54 is: 4,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.42 : 11,774.79 = 3,165.54 : x
  2. Step 2: Convert to fraction form
    7,848.42/11,774.79 = 3,165.54/x
  3. Step 3: Cross multiply
    7,848.42x = 11,774.79 × 3,165.54
  4. Step 4: Simplify right side
    7,848.42x = 37,273,568.74
  5. Step 5: Solve for x
    x = 37,273,568.74/7,848.42
  6. Step 6: Final answer
    x = 4,749.18

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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.