Home / 8,815.06-13,222.38-3,881.74

Finding the Fourth Proportional to 8,815.06, 13,222.38 and 3,881.74

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Solution

The fourth proportional to 8,815.06, 13,222.38 and 3,881.74 is: 5,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.06 : 13,222.38 = 3,881.74 : x
  2. Step 2: Convert to fraction form
    8,815.06/13,222.38 = 3,881.74/x
  3. Step 3: Cross multiply
    8,815.06x = 13,222.38 × 3,881.74
  4. Step 4: Simplify right side
    8,815.06x = 51,325,841.34
  5. Step 5: Solve for x
    x = 51,325,841.34/8,815.06
  6. Step 6: Final answer
    x = 5,822.52

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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.