Home / 8,379.12-12,569.26-2,536.18

Finding the Fourth Proportional to 8,379.12, 12,569.26 and 2,536.18

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Solution

The fourth proportional to 8,379.12, 12,569.26 and 2,536.18 is: 3,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.12 : 12,569.26 = 2,536.18 : x
  2. Step 2: Convert to fraction form
    8,379.12/12,569.26 = 2,536.18/x
  3. Step 3: Cross multiply
    8,379.12x = 12,569.26 × 2,536.18
  4. Step 4: Simplify right side
    8,379.12x = 31,877,905.83
  5. Step 5: Solve for x
    x = 31,877,905.83/8,379.12
  6. Step 6: Final answer
    x = 3,804.45

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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.