Home / 4,818.37-7,229.13-2,185.57

Finding the Fourth Proportional to 4,818.37, 7,229.13 and 2,185.57

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Solution

The fourth proportional to 4,818.37, 7,229.13 and 2,185.57 is: 3,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.37 : 7,229.13 = 2,185.57 : x
  2. Step 2: Convert to fraction form
    4,818.37/7,229.13 = 2,185.57/x
  3. Step 3: Cross multiply
    4,818.37x = 7,229.13 × 2,185.57
  4. Step 4: Simplify right side
    4,818.37x = 15,799,769.65
  5. Step 5: Solve for x
    x = 15,799,769.65/4,818.37
  6. Step 6: Final answer
    x = 3,279.07

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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.