Home / 7,822.06-11,733.45-2,890.78

Finding the Fourth Proportional to 7,822.06, 11,733.45 and 2,890.78

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Solution

The fourth proportional to 7,822.06, 11,733.45 and 2,890.78 is: 4,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.06 : 11,733.45 = 2,890.78 : x
  2. Step 2: Convert to fraction form
    7,822.06/11,733.45 = 2,890.78/x
  3. Step 3: Cross multiply
    7,822.06x = 11,733.45 × 2,890.78
  4. Step 4: Simplify right side
    7,822.06x = 33,918,822.59
  5. Step 5: Solve for x
    x = 33,918,822.59/7,822.06
  6. Step 6: Final answer
    x = 4,336.30

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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.