Home / 5,282.18-7,926.34-2,161.71

Finding the Fourth Proportional to 5,282.18, 7,926.34 and 2,161.71

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Solution

The fourth proportional to 5,282.18, 7,926.34 and 2,161.71 is: 3,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.18 : 7,926.34 = 2,161.71 : x
  2. Step 2: Convert to fraction form
    5,282.18/7,926.34 = 2,161.71/x
  3. Step 3: Cross multiply
    5,282.18x = 7,926.34 × 2,161.71
  4. Step 4: Simplify right side
    5,282.18x = 17,134,448.44
  5. Step 5: Solve for x
    x = 17,134,448.44/5,282.18
  6. Step 6: Final answer
    x = 3,243.82

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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.