Home / 5,530.64-7,629.30-3,539.04

Finding the Fourth Proportional to 5,530.64, 7,629.30 and 3,539.04

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Solution

The fourth proportional to 5,530.64, 7,629.30 and 3,539.04 is: 4,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.64 : 7,629.30 = 3,539.04 : x
  2. Step 2: Convert to fraction form
    5,530.64/7,629.30 = 3,539.04/x
  3. Step 3: Cross multiply
    5,530.64x = 7,629.30 × 3,539.04
  4. Step 4: Simplify right side
    5,530.64x = 27,000,397.87
  5. Step 5: Solve for x
    x = 27,000,397.87/5,530.64
  6. Step 6: Final answer
    x = 4,881.97

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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.