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Finding the Fourth Proportional to 8,160.94, 12,216.30 and 6,586.30

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Solution

The fourth proportional to 8,160.94, 12,216.30 and 6,586.30 is: 9,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.94 : 12,216.30 = 6,586.30 : x
  2. Step 2: Convert to fraction form
    8,160.94/12,216.30 = 6,586.30/x
  3. Step 3: Cross multiply
    8,160.94x = 12,216.30 × 6,586.30
  4. Step 4: Simplify right side
    8,160.94x = 80,460,216.69
  5. Step 5: Solve for x
    x = 80,460,216.69/8,160.94
  6. Step 6: Final answer
    x = 9,859.18

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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.