Home / 5,477.72-7,560.68-3,380.63

Finding the Fourth Proportional to 5,477.72, 7,560.68 and 3,380.63

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Solution

The fourth proportional to 5,477.72, 7,560.68 and 3,380.63 is: 4,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.72 : 7,560.68 = 3,380.63 : x
  2. Step 2: Convert to fraction form
    5,477.72/7,560.68 = 3,380.63/x
  3. Step 3: Cross multiply
    5,477.72x = 7,560.68 × 3,380.63
  4. Step 4: Simplify right side
    5,477.72x = 25,559,806.92
  5. Step 5: Solve for x
    x = 25,559,806.92/5,477.72
  6. Step 6: Final answer
    x = 4,666.14

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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.