Home / 8,619.18-12,930.75-2,463.18

Finding the Fourth Proportional to 8,619.18, 12,930.75 and 2,463.18

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Solution

The fourth proportional to 8,619.18, 12,930.75 and 2,463.18 is: 3,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.18 : 12,930.75 = 2,463.18 : x
  2. Step 2: Convert to fraction form
    8,619.18/12,930.75 = 2,463.18/x
  3. Step 3: Cross multiply
    8,619.18x = 12,930.75 × 2,463.18
  4. Step 4: Simplify right side
    8,619.18x = 31,850,764.79
  5. Step 5: Solve for x
    x = 31,850,764.79/8,619.18
  6. Step 6: Final answer
    x = 3,695.34

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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.