Home / 9,285.55-12,797.31-6,763.66

Finding the Fourth Proportional to 9,285.55, 12,797.31 and 6,763.66

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Solution

The fourth proportional to 9,285.55, 12,797.31 and 6,763.66 is: 9,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.55 : 12,797.31 = 6,763.66 : x
  2. Step 2: Convert to fraction form
    9,285.55/12,797.31 = 6,763.66/x
  3. Step 3: Cross multiply
    9,285.55x = 12,797.31 × 6,763.66
  4. Step 4: Simplify right side
    9,285.55x = 86,556,653.75
  5. Step 5: Solve for x
    x = 86,556,653.75/9,285.55
  6. Step 6: Final answer
    x = 9,321.65

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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.