Home / 8,974.85-12,385.28-4,996.73

Finding the Fourth Proportional to 8,974.85, 12,385.28 and 4,996.73

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Solution

The fourth proportional to 8,974.85, 12,385.28 and 4,996.73 is: 6,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.85 : 12,385.28 = 4,996.73 : x
  2. Step 2: Convert to fraction form
    8,974.85/12,385.28 = 4,996.73/x
  3. Step 3: Cross multiply
    8,974.85x = 12,385.28 × 4,996.73
  4. Step 4: Simplify right side
    8,974.85x = 61,885,813.22
  5. Step 5: Solve for x
    x = 61,885,813.22/8,974.85
  6. Step 6: Final answer
    x = 6,895.47

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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.