Home / 8,191.75-11,304.62-4,465.75

Finding the Fourth Proportional to 8,191.75, 11,304.62 and 4,465.75

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Solution

The fourth proportional to 8,191.75, 11,304.62 and 4,465.75 is: 6,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.75 : 11,304.62 = 4,465.75 : x
  2. Step 2: Convert to fraction form
    8,191.75/11,304.62 = 4,465.75/x
  3. Step 3: Cross multiply
    8,191.75x = 11,304.62 × 4,465.75
  4. Step 4: Simplify right side
    8,191.75x = 50,483,606.77
  5. Step 5: Solve for x
    x = 50,483,606.77/8,191.75
  6. Step 6: Final answer
    x = 6,162.74

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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.