Home / 5,282.12-7,919.03-2,648.27

Finding the Fourth Proportional to 5,282.12, 7,919.03 and 2,648.27

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Solution

The fourth proportional to 5,282.12, 7,919.03 and 2,648.27 is: 3,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.12 : 7,919.03 = 2,648.27 : x
  2. Step 2: Convert to fraction form
    5,282.12/7,919.03 = 2,648.27/x
  3. Step 3: Cross multiply
    5,282.12x = 7,919.03 × 2,648.27
  4. Step 4: Simplify right side
    5,282.12x = 20,971,756.00
  5. Step 5: Solve for x
    x = 20,971,756.00/5,282.12
  6. Step 6: Final answer
    x = 3,970.33

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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.