Home / 4,120.95-6,184.76-2,147.19

Finding the Fourth Proportional to 4,120.95, 6,184.76 and 2,147.19

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Solution

The fourth proportional to 4,120.95, 6,184.76 and 2,147.19 is: 3,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.95 : 6,184.76 = 2,147.19 : x
  2. Step 2: Convert to fraction form
    4,120.95/6,184.76 = 2,147.19/x
  3. Step 3: Cross multiply
    4,120.95x = 6,184.76 × 2,147.19
  4. Step 4: Simplify right side
    4,120.95x = 13,279,844.09
  5. Step 5: Solve for x
    x = 13,279,844.09/4,120.95
  6. Step 6: Final answer
    x = 3,222.52

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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.