Home / 4,121.08-6,180.19-1,347.05

Finding the Fourth Proportional to 4,121.08, 6,180.19 and 1,347.05

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Solution

The fourth proportional to 4,121.08, 6,180.19 and 1,347.05 is: 2,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.08 : 6,180.19 = 1,347.05 : x
  2. Step 2: Convert to fraction form
    4,121.08/6,180.19 = 1,347.05/x
  3. Step 3: Cross multiply
    4,121.08x = 6,180.19 × 1,347.05
  4. Step 4: Simplify right side
    4,121.08x = 8,325,037.02
  5. Step 5: Solve for x
    x = 8,325,037.02/4,121.08
  6. Step 6: Final answer
    x = 2,020.11

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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.