Home / 4,665.80-6,439.32-2,777.84

Finding the Fourth Proportional to 4,665.80, 6,439.32 and 2,777.84

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Solution

The fourth proportional to 4,665.80, 6,439.32 and 2,777.84 is: 3,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.80 : 6,439.32 = 2,777.84 : x
  2. Step 2: Convert to fraction form
    4,665.80/6,439.32 = 2,777.84/x
  3. Step 3: Cross multiply
    4,665.80x = 6,439.32 × 2,777.84
  4. Step 4: Simplify right side
    4,665.80x = 17,887,400.67
  5. Step 5: Solve for x
    x = 17,887,400.67/4,665.80
  6. Step 6: Final answer
    x = 3,833.73

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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.