Home / 7,813.98-11,714.49-2,882.70

Finding the Fourth Proportional to 7,813.98, 11,714.49 and 2,882.70

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Solution

The fourth proportional to 7,813.98, 11,714.49 and 2,882.70 is: 4,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.98 : 11,714.49 = 2,882.70 : x
  2. Step 2: Convert to fraction form
    7,813.98/11,714.49 = 2,882.70/x
  3. Step 3: Cross multiply
    7,813.98x = 11,714.49 × 2,882.70
  4. Step 4: Simplify right side
    7,813.98x = 33,769,360.32
  5. Step 5: Solve for x
    x = 33,769,360.32/7,813.98
  6. Step 6: Final answer
    x = 4,321.66

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1.5x scale

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.