Home / 8,299.26-12,387.94-7,326.05

Finding the Fourth Proportional to 8,299.26, 12,387.94 and 7,326.05

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Solution

The fourth proportional to 8,299.26, 12,387.94 and 7,326.05 is: 10,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.26 : 12,387.94 = 7,326.05 : x
  2. Step 2: Convert to fraction form
    8,299.26/12,387.94 = 7,326.05/x
  3. Step 3: Cross multiply
    8,299.26x = 12,387.94 × 7,326.05
  4. Step 4: Simplify right side
    8,299.26x = 90,754,587.58
  5. Step 5: Solve for x
    x = 90,754,587.58/8,299.26
  6. Step 6: Final answer
    x = 10,935.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.