Home / 5,217.88-7,818.16-3,754.84

Finding the Fourth Proportional to 5,217.88, 7,818.16 and 3,754.84

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Solution

The fourth proportional to 5,217.88, 7,818.16 and 3,754.84 is: 5,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.88 : 7,818.16 = 3,754.84 : x
  2. Step 2: Convert to fraction form
    5,217.88/7,818.16 = 3,754.84/x
  3. Step 3: Cross multiply
    5,217.88x = 7,818.16 × 3,754.84
  4. Step 4: Simplify right side
    5,217.88x = 29,355,939.89
  5. Step 5: Solve for x
    x = 29,355,939.89/5,217.88
  6. Step 6: Final answer
    x = 5,626.03

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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.