Home / 8,885.21-13,318.43-4,493.39

Finding the Fourth Proportional to 8,885.21, 13,318.43 and 4,493.39

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Solution

The fourth proportional to 8,885.21, 13,318.43 and 4,493.39 is: 6,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.21 : 13,318.43 = 4,493.39 : x
  2. Step 2: Convert to fraction form
    8,885.21/13,318.43 = 4,493.39/x
  3. Step 3: Cross multiply
    8,885.21x = 13,318.43 × 4,493.39
  4. Step 4: Simplify right side
    8,885.21x = 59,844,811.12
  5. Step 5: Solve for x
    x = 59,844,811.12/8,885.21
  6. Step 6: Final answer
    x = 6,735.33

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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.