Home / 8,257.04-12,379.40-4,969.36

Finding the Fourth Proportional to 8,257.04, 12,379.40 and 4,969.36

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Solution

The fourth proportional to 8,257.04, 12,379.40 and 4,969.36 is: 7,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.04 : 12,379.40 = 4,969.36 : x
  2. Step 2: Convert to fraction form
    8,257.04/12,379.40 = 4,969.36/x
  3. Step 3: Cross multiply
    8,257.04x = 12,379.40 × 4,969.36
  4. Step 4: Simplify right side
    8,257.04x = 61,517,695.18
  5. Step 5: Solve for x
    x = 61,517,695.18/8,257.04
  6. Step 6: Final answer
    x = 7,450.33

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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.