Home / 5,530.65-7,633.87-3,643.61

Finding the Fourth Proportional to 5,530.65, 7,633.87 and 3,643.61

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Solution

The fourth proportional to 5,530.65, 7,633.87 and 3,643.61 is: 5,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.65 : 7,633.87 = 3,643.61 : x
  2. Step 2: Convert to fraction form
    5,530.65/7,633.87 = 3,643.61/x
  3. Step 3: Cross multiply
    5,530.65x = 7,633.87 × 3,643.61
  4. Step 4: Simplify right side
    5,530.65x = 27,814,826.85
  5. Step 5: Solve for x
    x = 27,814,826.85/5,530.65
  6. Step 6: Final answer
    x = 5,029.21

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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.