Home / 7,737.12-11,579.38-4,777.43

Finding the Fourth Proportional to 7,737.12, 11,579.38 and 4,777.43

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Solution

The fourth proportional to 7,737.12, 11,579.38 and 4,777.43 is: 7,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.12 : 11,579.38 = 4,777.43 : x
  2. Step 2: Convert to fraction form
    7,737.12/11,579.38 = 4,777.43/x
  3. Step 3: Cross multiply
    7,737.12x = 11,579.38 × 4,777.43
  4. Step 4: Simplify right side
    7,737.12x = 55,319,677.39
  5. Step 5: Solve for x
    x = 55,319,677.39/7,737.12
  6. Step 6: Final answer
    x = 7,149.91

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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.