Home / 4,262.22-6,390.90-2,285.42

Finding the Fourth Proportional to 4,262.22, 6,390.90 and 2,285.42

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Solution

The fourth proportional to 4,262.22, 6,390.90 and 2,285.42 is: 3,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.22 : 6,390.90 = 2,285.42 : x
  2. Step 2: Convert to fraction form
    4,262.22/6,390.90 = 2,285.42/x
  3. Step 3: Cross multiply
    4,262.22x = 6,390.90 × 2,285.42
  4. Step 4: Simplify right side
    4,262.22x = 14,605,858.72
  5. Step 5: Solve for x
    x = 14,605,858.72/4,262.22
  6. Step 6: Final answer
    x = 3,426.82

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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.