Home / 5,885.12-8,121.50-3,196.35

Finding the Fourth Proportional to 5,885.12, 8,121.50 and 3,196.35

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Solution

The fourth proportional to 5,885.12, 8,121.50 and 3,196.35 is: 4,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.12 : 8,121.50 = 3,196.35 : x
  2. Step 2: Convert to fraction form
    5,885.12/8,121.50 = 3,196.35/x
  3. Step 3: Cross multiply
    5,885.12x = 8,121.50 × 3,196.35
  4. Step 4: Simplify right side
    5,885.12x = 25,959,156.53
  5. Step 5: Solve for x
    x = 25,959,156.53/5,885.12
  6. Step 6: Final answer
    x = 4,410.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.