Home / 8,528.36-12,796.68-6,433.66

Finding the Fourth Proportional to 8,528.36, 12,796.68 and 6,433.66

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Solution

The fourth proportional to 8,528.36, 12,796.68 and 6,433.66 is: 9,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.36 : 12,796.68 = 6,433.66 : x
  2. Step 2: Convert to fraction form
    8,528.36/12,796.68 = 6,433.66/x
  3. Step 3: Cross multiply
    8,528.36x = 12,796.68 × 6,433.66
  4. Step 4: Simplify right side
    8,528.36x = 82,329,424.27
  5. Step 5: Solve for x
    x = 82,329,424.27/8,528.36
  6. Step 6: Final answer
    x = 9,653.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.