Home / 4,278.45-6,406.09-2,222.13

Finding the Fourth Proportional to 4,278.45, 6,406.09 and 2,222.13

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Solution

The fourth proportional to 4,278.45, 6,406.09 and 2,222.13 is: 3,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.45 : 6,406.09 = 2,222.13 : x
  2. Step 2: Convert to fraction form
    4,278.45/6,406.09 = 2,222.13/x
  3. Step 3: Cross multiply
    4,278.45x = 6,406.09 × 2,222.13
  4. Step 4: Simplify right side
    4,278.45x = 14,235,164.77
  5. Step 5: Solve for x
    x = 14,235,164.77/4,278.45
  6. Step 6: Final answer
    x = 3,327.18

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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.