Home / 8,190.44-11,302.85-4,653.85

Finding the Fourth Proportional to 8,190.44, 11,302.85 and 4,653.85

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Solution

The fourth proportional to 8,190.44, 11,302.85 and 4,653.85 is: 6,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.44 : 11,302.85 = 4,653.85 : x
  2. Step 2: Convert to fraction form
    8,190.44/11,302.85 = 4,653.85/x
  3. Step 3: Cross multiply
    8,190.44x = 11,302.85 × 4,653.85
  4. Step 4: Simplify right side
    8,190.44x = 52,601,768.47
  5. Step 5: Solve for x
    x = 52,601,768.47/8,190.44
  6. Step 6: Final answer
    x = 6,422.34

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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.