Home / 4,121.30-6,182.10-1,199.63

Finding the Fourth Proportional to 4,121.30, 6,182.10 and 1,199.63

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Solution

The fourth proportional to 4,121.30, 6,182.10 and 1,199.63 is: 1,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.30 : 6,182.10 = 1,199.63 : x
  2. Step 2: Convert to fraction form
    4,121.30/6,182.10 = 1,199.63/x
  3. Step 3: Cross multiply
    4,121.30x = 6,182.10 × 1,199.63
  4. Step 4: Simplify right side
    4,121.30x = 7,416,201.71
  5. Step 5: Solve for x
    x = 7,416,201.71/4,121.30
  6. Step 6: Final answer
    x = 1,799.48

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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.