Home / 8,051.36-12,077.44-2,208.02

Finding the Fourth Proportional to 8,051.36, 12,077.44 and 2,208.02

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Solution

The fourth proportional to 8,051.36, 12,077.44 and 2,208.02 is: 3,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.36 : 12,077.44 = 2,208.02 : x
  2. Step 2: Convert to fraction form
    8,051.36/12,077.44 = 2,208.02/x
  3. Step 3: Cross multiply
    8,051.36x = 12,077.44 × 2,208.02
  4. Step 4: Simplify right side
    8,051.36x = 26,667,163.16
  5. Step 5: Solve for x
    x = 26,667,163.16/8,051.36
  6. Step 6: Final answer
    x = 3,312.13

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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.