Home / 7,977.48-11,966.85-2,133.96

Finding the Fourth Proportional to 7,977.48, 11,966.85 and 2,133.96

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Solution

The fourth proportional to 7,977.48, 11,966.85 and 2,133.96 is: 3,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.48 : 11,966.85 = 2,133.96 : x
  2. Step 2: Convert to fraction form
    7,977.48/11,966.85 = 2,133.96/x
  3. Step 3: Cross multiply
    7,977.48x = 11,966.85 × 2,133.96
  4. Step 4: Simplify right side
    7,977.48x = 25,536,779.23
  5. Step 5: Solve for x
    x = 25,536,779.23/7,977.48
  6. Step 6: Final answer
    x = 3,201.11

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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.