Home / 7,977.21-11,006.65-5,992.50

Finding the Fourth Proportional to 7,977.21, 11,006.65 and 5,992.50

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Solution

The fourth proportional to 7,977.21, 11,006.65 and 5,992.50 is: 8,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.21 : 11,006.65 = 5,992.50 : x
  2. Step 2: Convert to fraction form
    7,977.21/11,006.65 = 5,992.50/x
  3. Step 3: Cross multiply
    7,977.21x = 11,006.65 × 5,992.50
  4. Step 4: Simplify right side
    7,977.21x = 65,957,350.13
  5. Step 5: Solve for x
    x = 65,957,350.13/7,977.21
  6. Step 6: Final answer
    x = 8,268.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.