Home / 4,139.20-6,199.23-2,492.11

Finding the Fourth Proportional to 4,139.20, 6,199.23 and 2,492.11

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Solution

The fourth proportional to 4,139.20, 6,199.23 and 2,492.11 is: 3,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.20 : 6,199.23 = 2,492.11 : x
  2. Step 2: Convert to fraction form
    4,139.20/6,199.23 = 2,492.11/x
  3. Step 3: Cross multiply
    4,139.20x = 6,199.23 × 2,492.11
  4. Step 4: Simplify right side
    4,139.20x = 15,449,150.61
  5. Step 5: Solve for x
    x = 15,449,150.61/4,139.20
  6. Step 6: Final answer
    x = 3,732.40

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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.