Home / 4,121.80-6,152.76-3,817.24

Finding the Fourth Proportional to 4,121.80, 6,152.76 and 3,817.24

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Solution

The fourth proportional to 4,121.80, 6,152.76 and 3,817.24 is: 5,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.80 : 6,152.76 = 3,817.24 : x
  2. Step 2: Convert to fraction form
    4,121.80/6,152.76 = 3,817.24/x
  3. Step 3: Cross multiply
    4,121.80x = 6,152.76 × 3,817.24
  4. Step 4: Simplify right side
    4,121.80x = 23,486,561.58
  5. Step 5: Solve for x
    x = 23,486,561.58/4,121.80
  6. Step 6: Final answer
    x = 5,698.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.