Home / 5,282.20-7,920.60-1,950.28

Finding the Fourth Proportional to 5,282.20, 7,920.60 and 1,950.28

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Solution

The fourth proportional to 5,282.20, 7,920.60 and 1,950.28 is: 2,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.20 : 7,920.60 = 1,950.28 : x
  2. Step 2: Convert to fraction form
    5,282.20/7,920.60 = 1,950.28/x
  3. Step 3: Cross multiply
    5,282.20x = 7,920.60 × 1,950.28
  4. Step 4: Simplify right side
    5,282.20x = 15,447,387.77
  5. Step 5: Solve for x
    x = 15,447,387.77/5,282.20
  6. Step 6: Final answer
    x = 2,924.42

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1.5x scale

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.