Home / 8,806.05-13,208.96-2,142.58

Finding the Fourth Proportional to 8,806.05, 13,208.96 and 2,142.58

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Solution

The fourth proportional to 8,806.05, 13,208.96 and 2,142.58 is: 3,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.05 : 13,208.96 = 2,142.58 : x
  2. Step 2: Convert to fraction form
    8,806.05/13,208.96 = 2,142.58/x
  3. Step 3: Cross multiply
    8,806.05x = 13,208.96 × 2,142.58
  4. Step 4: Simplify right side
    8,806.05x = 28,301,248.16
  5. Step 5: Solve for x
    x = 28,301,248.16/8,806.05
  6. Step 6: Final answer
    x = 3,213.84

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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.