Home / 9,282.76-12,821.46-6,760.88

Finding the Fourth Proportional to 9,282.76, 12,821.46 and 6,760.88

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Solution

The fourth proportional to 9,282.76, 12,821.46 and 6,760.88 is: 9,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.76 : 12,821.46 = 6,760.88 : x
  2. Step 2: Convert to fraction form
    9,282.76/12,821.46 = 6,760.88/x
  3. Step 3: Cross multiply
    9,282.76x = 12,821.46 × 6,760.88
  4. Step 4: Simplify right side
    9,282.76x = 86,684,352.48
  5. Step 5: Solve for x
    x = 86,684,352.48/9,282.76
  6. Step 6: Final answer
    x = 9,338.21

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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.