Home / 7,895.88-11,835.52-3,214.08

Finding the Fourth Proportional to 7,895.88, 11,835.52 and 3,214.08

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Solution

The fourth proportional to 7,895.88, 11,835.52 and 3,214.08 is: 4,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.88 : 11,835.52 = 3,214.08 : x
  2. Step 2: Convert to fraction form
    7,895.88/11,835.52 = 3,214.08/x
  3. Step 3: Cross multiply
    7,895.88x = 11,835.52 × 3,214.08
  4. Step 4: Simplify right side
    7,895.88x = 38,040,300.09
  5. Step 5: Solve for x
    x = 38,040,300.09/7,895.88
  6. Step 6: Final answer
    x = 4,817.74

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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.