Home / 4,242.11-6,363.17-1,320.41

Finding the Fourth Proportional to 4,242.11, 6,363.17 and 1,320.41

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Solution

The fourth proportional to 4,242.11, 6,363.17 and 1,320.41 is: 1,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.11 : 6,363.17 = 1,320.41 : x
  2. Step 2: Convert to fraction form
    4,242.11/6,363.17 = 1,320.41/x
  3. Step 3: Cross multiply
    4,242.11x = 6,363.17 × 1,320.41
  4. Step 4: Simplify right side
    4,242.11x = 8,401,993.30
  5. Step 5: Solve for x
    x = 8,401,993.30/4,242.11
  6. Step 6: Final answer
    x = 1,980.62

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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.