Home / 5,488.05-8,218.05-3,020.16

Finding the Fourth Proportional to 5,488.05, 8,218.05 and 3,020.16

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Solution

The fourth proportional to 5,488.05, 8,218.05 and 3,020.16 is: 4,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.05 : 8,218.05 = 3,020.16 : x
  2. Step 2: Convert to fraction form
    5,488.05/8,218.05 = 3,020.16/x
  3. Step 3: Cross multiply
    5,488.05x = 8,218.05 × 3,020.16
  4. Step 4: Simplify right side
    5,488.05x = 24,819,825.89
  5. Step 5: Solve for x
    x = 24,819,825.89/5,488.05
  6. Step 6: Final answer
    x = 4,522.52

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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.