Home / 8,472.30-11,684.55-6,700.83

Finding the Fourth Proportional to 8,472.30, 11,684.55 and 6,700.83

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Solution

The fourth proportional to 8,472.30, 11,684.55 and 6,700.83 is: 9,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.30 : 11,684.55 = 6,700.83 : x
  2. Step 2: Convert to fraction form
    8,472.30/11,684.55 = 6,700.83/x
  3. Step 3: Cross multiply
    8,472.30x = 11,684.55 × 6,700.83
  4. Step 4: Simplify right side
    8,472.30x = 78,296,183.18
  5. Step 5: Solve for x
    x = 78,296,183.18/8,472.30
  6. Step 6: Final answer
    x = 9,241.43

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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.