Home / 5,480.18-8,218.58-3,606

Finding the Fourth Proportional to 5,480.18, 8,218.58 and 3,606

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Solution

The fourth proportional to 5,480.18, 8,218.58 and 3,606 is: 5,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.18 : 8,218.58 = 3,606 : x
  2. Step 2: Convert to fraction form
    5,480.18/8,218.58 = 3,606/x
  3. Step 3: Cross multiply
    5,480.18x = 8,218.58 × 3,606
  4. Step 4: Simplify right side
    5,480.18x = 29,636,199.48
  5. Step 5: Solve for x
    x = 29,636,199.48/5,480.18
  6. Step 6: Final answer
    x = 5,407.89

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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.