Home / 8,290.85-11,442.17-6,191.33

Finding the Fourth Proportional to 8,290.85, 11,442.17 and 6,191.33

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Solution

The fourth proportional to 8,290.85, 11,442.17 and 6,191.33 is: 8,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.85 : 11,442.17 = 6,191.33 : x
  2. Step 2: Convert to fraction form
    8,290.85/11,442.17 = 6,191.33/x
  3. Step 3: Cross multiply
    8,290.85x = 11,442.17 × 6,191.33
  4. Step 4: Simplify right side
    8,290.85x = 70,842,208.65
  5. Step 5: Solve for x
    x = 70,842,208.65/8,290.85
  6. Step 6: Final answer
    x = 8,544.63

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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.