Home / 7,895.40-11,843.28-4,969.68

Finding the Fourth Proportional to 7,895.40, 11,843.28 and 4,969.68

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Solution

The fourth proportional to 7,895.40, 11,843.28 and 4,969.68 is: 7,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.40 : 11,843.28 = 4,969.68 : x
  2. Step 2: Convert to fraction form
    7,895.40/11,843.28 = 4,969.68/x
  3. Step 3: Cross multiply
    7,895.40x = 11,843.28 × 4,969.68
  4. Step 4: Simplify right side
    7,895.40x = 58,857,311.75
  5. Step 5: Solve for x
    x = 58,857,311.75/7,895.40
  6. Step 6: Final answer
    x = 7,454.63

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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.