Home / 4,462.65-6,688.94-1,687.59

Finding the Fourth Proportional to 4,462.65, 6,688.94 and 1,687.59

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Solution

The fourth proportional to 4,462.65, 6,688.94 and 1,687.59 is: 2,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.65 : 6,688.94 = 1,687.59 : x
  2. Step 2: Convert to fraction form
    4,462.65/6,688.94 = 1,687.59/x
  3. Step 3: Cross multiply
    4,462.65x = 6,688.94 × 1,687.59
  4. Step 4: Simplify right side
    4,462.65x = 11,288,179.82
  5. Step 5: Solve for x
    x = 11,288,179.82/4,462.65
  6. Step 6: Final answer
    x = 2,529.48

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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.