Home / 7,977.56-11,966.34-3,589.89

Finding the Fourth Proportional to 7,977.56, 11,966.34 and 3,589.89

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Solution

The fourth proportional to 7,977.56, 11,966.34 and 3,589.89 is: 5,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.56 : 11,966.34 = 3,589.89 : x
  2. Step 2: Convert to fraction form
    7,977.56/11,966.34 = 3,589.89/x
  3. Step 3: Cross multiply
    7,977.56x = 11,966.34 × 3,589.89
  4. Step 4: Simplify right side
    7,977.56x = 42,957,826.35
  5. Step 5: Solve for x
    x = 42,957,826.35/7,977.56
  6. Step 6: Final answer
    x = 5,384.84

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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.