Home / 8,180.34-12,269.30-2,985

Finding the Fourth Proportional to 8,180.34, 12,269.30 and 2,985

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Solution

The fourth proportional to 8,180.34, 12,269.30 and 2,985 is: 4,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.34 : 12,269.30 = 2,985 : x
  2. Step 2: Convert to fraction form
    8,180.34/12,269.30 = 2,985/x
  3. Step 3: Cross multiply
    8,180.34x = 12,269.30 × 2,985
  4. Step 4: Simplify right side
    8,180.34x = 36,623,845.58
  5. Step 5: Solve for x
    x = 36,623,845.58/8,180.34
  6. Step 6: Final answer
    x = 4,477.06

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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.