Home / 5,217.23-7,820.38-2,441.57

Finding the Fourth Proportional to 5,217.23, 7,820.38 and 2,441.57

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Solution

The fourth proportional to 5,217.23, 7,820.38 and 2,441.57 is: 3,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.23 : 7,820.38 = 2,441.57 : x
  2. Step 2: Convert to fraction form
    5,217.23/7,820.38 = 2,441.57/x
  3. Step 3: Cross multiply
    5,217.23x = 7,820.38 × 2,441.57
  4. Step 4: Simplify right side
    5,217.23x = 19,093,953.89
  5. Step 5: Solve for x
    x = 19,093,953.89/5,217.23
  6. Step 6: Final answer
    x = 3,659.79

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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.