Home / 8,136.45-12,204.14-3,693.06

Finding the Fourth Proportional to 8,136.45, 12,204.14 and 3,693.06

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Solution

The fourth proportional to 8,136.45, 12,204.14 and 3,693.06 is: 5,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.45 : 12,204.14 = 3,693.06 : x
  2. Step 2: Convert to fraction form
    8,136.45/12,204.14 = 3,693.06/x
  3. Step 3: Cross multiply
    8,136.45x = 12,204.14 × 3,693.06
  4. Step 4: Simplify right side
    8,136.45x = 45,070,602.80
  5. Step 5: Solve for x
    x = 45,070,602.80/8,136.45
  6. Step 6: Final answer
    x = 5,539.34

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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.