Home / 5,530.55-7,632.12-3,012.66

Finding the Fourth Proportional to 5,530.55, 7,632.12 and 3,012.66

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Solution

The fourth proportional to 5,530.55, 7,632.12 and 3,012.66 is: 4,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.55 : 7,632.12 = 3,012.66 : x
  2. Step 2: Convert to fraction form
    5,530.55/7,632.12 = 3,012.66/x
  3. Step 3: Cross multiply
    5,530.55x = 7,632.12 × 3,012.66
  4. Step 4: Simplify right side
    5,530.55x = 22,992,982.64
  5. Step 5: Solve for x
    x = 22,992,982.64/5,530.55
  6. Step 6: Final answer
    x = 4,157.45

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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.