Home / 8,051.68-12,080.40-3,669.28

Finding the Fourth Proportional to 8,051.68, 12,080.40 and 3,669.28

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Solution

The fourth proportional to 8,051.68, 12,080.40 and 3,669.28 is: 5,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.68 : 12,080.40 = 3,669.28 : x
  2. Step 2: Convert to fraction form
    8,051.68/12,080.40 = 3,669.28/x
  3. Step 3: Cross multiply
    8,051.68x = 12,080.40 × 3,669.28
  4. Step 4: Simplify right side
    8,051.68x = 44,326,370.11
  5. Step 5: Solve for x
    x = 44,326,370.11/8,051.68
  6. Step 6: Final answer
    x = 5,505.23

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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.