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Finding the Fourth Proportional to 8,529.79, 12,779.09 and 6,183.98

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Solution

The fourth proportional to 8,529.79, 12,779.09 and 6,183.98 is: 9,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.79 : 12,779.09 = 6,183.98 : x
  2. Step 2: Convert to fraction form
    8,529.79/12,779.09 = 6,183.98/x
  3. Step 3: Cross multiply
    8,529.79x = 12,779.09 × 6,183.98
  4. Step 4: Simplify right side
    8,529.79x = 79,025,573.08
  5. Step 5: Solve for x
    x = 79,025,573.08/8,529.79
  6. Step 6: Final answer
    x = 9,264.66

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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.