Home / 9,285.22-12,782.37-8,043.49

Finding the Fourth Proportional to 9,285.22, 12,782.37 and 8,043.49

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Solution

The fourth proportional to 9,285.22, 12,782.37 and 8,043.49 is: 11,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.22 : 12,782.37 = 8,043.49 : x
  2. Step 2: Convert to fraction form
    9,285.22/12,782.37 = 8,043.49/x
  3. Step 3: Cross multiply
    9,285.22x = 12,782.37 × 8,043.49
  4. Step 4: Simplify right side
    9,285.22x = 102,814,865.27
  5. Step 5: Solve for x
    x = 102,814,865.27/9,285.22
  6. Step 6: Final answer
    x = 11,072.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.