Home / 5,483.72-8,213.28-4,247.39

Finding the Fourth Proportional to 5,483.72, 8,213.28 and 4,247.39

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Solution

The fourth proportional to 5,483.72, 8,213.28 and 4,247.39 is: 6,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.72 : 8,213.28 = 4,247.39 : x
  2. Step 2: Convert to fraction form
    5,483.72/8,213.28 = 4,247.39/x
  3. Step 3: Cross multiply
    5,483.72x = 8,213.28 × 4,247.39
  4. Step 4: Simplify right side
    5,483.72x = 34,885,003.34
  5. Step 5: Solve for x
    x = 34,885,003.34/5,483.72
  6. Step 6: Final answer
    x = 6,361.56

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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.