Home / 6,161.28-8,502.88-3,804.80

Finding the Fourth Proportional to 6,161.28, 8,502.88 and 3,804.80

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Solution

The fourth proportional to 6,161.28, 8,502.88 and 3,804.80 is: 5,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.28 : 8,502.88 = 3,804.80 : x
  2. Step 2: Convert to fraction form
    6,161.28/8,502.88 = 3,804.80/x
  3. Step 3: Cross multiply
    6,161.28x = 8,502.88 × 3,804.80
  4. Step 4: Simplify right side
    6,161.28x = 32,351,757.82
  5. Step 5: Solve for x
    x = 32,351,757.82/6,161.28
  6. Step 6: Final answer
    x = 5,250.82

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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.