Home / 8,156.89-11,255.52-4,619.22

Finding the Fourth Proportional to 8,156.89, 11,255.52 and 4,619.22

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Solution

The fourth proportional to 8,156.89, 11,255.52 and 4,619.22 is: 6,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.89 : 11,255.52 = 4,619.22 : x
  2. Step 2: Convert to fraction form
    8,156.89/11,255.52 = 4,619.22/x
  3. Step 3: Cross multiply
    8,156.89x = 11,255.52 × 4,619.22
  4. Step 4: Simplify right side
    8,156.89x = 51,991,723.09
  5. Step 5: Solve for x
    x = 51,991,723.09/8,156.89
  6. Step 6: Final answer
    x = 6,373.96

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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.