Home / 5,421.61-7,481.99-3,063.90

Finding the Fourth Proportional to 5,421.61, 7,481.99 and 3,063.90

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Solution

The fourth proportional to 5,421.61, 7,481.99 and 3,063.90 is: 4,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.61 : 7,481.99 = 3,063.90 : x
  2. Step 2: Convert to fraction form
    5,421.61/7,481.99 = 3,063.90/x
  3. Step 3: Cross multiply
    5,421.61x = 7,481.99 × 3,063.90
  4. Step 4: Simplify right side
    5,421.61x = 22,924,069.16
  5. Step 5: Solve for x
    x = 22,924,069.16/5,421.61
  6. Step 6: Final answer
    x = 4,228.28

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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.