Home / 8,136.30-12,180.15-4,847.70

Finding the Fourth Proportional to 8,136.30, 12,180.15 and 4,847.70

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Solution

The fourth proportional to 8,136.30, 12,180.15 and 4,847.70 is: 7,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.30 : 12,180.15 = 4,847.70 : x
  2. Step 2: Convert to fraction form
    8,136.30/12,180.15 = 4,847.70/x
  3. Step 3: Cross multiply
    8,136.30x = 12,180.15 × 4,847.70
  4. Step 4: Simplify right side
    8,136.30x = 59,045,713.16
  5. Step 5: Solve for x
    x = 59,045,713.16/8,136.30
  6. Step 6: Final answer
    x = 7,257.07

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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.