Home / 5,977.95-8,965.85-2,279.36

Finding the Fourth Proportional to 5,977.95, 8,965.85 and 2,279.36

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Solution

The fourth proportional to 5,977.95, 8,965.85 and 2,279.36 is: 3,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.95 : 8,965.85 = 2,279.36 : x
  2. Step 2: Convert to fraction form
    5,977.95/8,965.85 = 2,279.36/x
  3. Step 3: Cross multiply
    5,977.95x = 8,965.85 × 2,279.36
  4. Step 4: Simplify right side
    5,977.95x = 20,436,343.63
  5. Step 5: Solve for x
    x = 20,436,343.63/5,977.95
  6. Step 6: Final answer
    x = 3,418.62

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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.