Home / 4,242.19-6,366.20-2,163.61

Finding the Fourth Proportional to 4,242.19, 6,366.20 and 2,163.61

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Solution

The fourth proportional to 4,242.19, 6,366.20 and 2,163.61 is: 3,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.19 : 6,366.20 = 2,163.61 : x
  2. Step 2: Convert to fraction form
    4,242.19/6,366.20 = 2,163.61/x
  3. Step 3: Cross multiply
    4,242.19x = 6,366.20 × 2,163.61
  4. Step 4: Simplify right side
    4,242.19x = 13,773,971.12
  5. Step 5: Solve for x
    x = 13,773,971.12/4,242.19
  6. Step 6: Final answer
    x = 3,246.90

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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.