Home / 8,290.88-11,452.32-6,191.36

Finding the Fourth Proportional to 8,290.88, 11,452.32 and 6,191.36

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Solution

The fourth proportional to 8,290.88, 11,452.32 and 6,191.36 is: 8,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.88 : 11,452.32 = 6,191.36 : x
  2. Step 2: Convert to fraction form
    8,290.88/11,452.32 = 6,191.36/x
  3. Step 3: Cross multiply
    8,290.88x = 11,452.32 × 6,191.36
  4. Step 4: Simplify right side
    8,290.88x = 70,905,435.96
  5. Step 5: Solve for x
    x = 70,905,435.96/8,290.88
  6. Step 6: Final answer
    x = 8,552.22

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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.