Home / 8,013.53-12,021.21-3,630.42

Finding the Fourth Proportional to 8,013.53, 12,021.21 and 3,630.42

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Solution

The fourth proportional to 8,013.53, 12,021.21 and 3,630.42 is: 5,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.53 : 12,021.21 = 3,630.42 : x
  2. Step 2: Convert to fraction form
    8,013.53/12,021.21 = 3,630.42/x
  3. Step 3: Cross multiply
    8,013.53x = 12,021.21 × 3,630.42
  4. Step 4: Simplify right side
    8,013.53x = 43,642,041.21
  5. Step 5: Solve for x
    x = 43,642,041.21/8,013.53
  6. Step 6: Final answer
    x = 5,446.04

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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.