Home / 4,622.40-6,379.20-2,633.76

Finding the Fourth Proportional to 4,622.40, 6,379.20 and 2,633.76

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Solution

The fourth proportional to 4,622.40, 6,379.20 and 2,633.76 is: 3,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.40 : 6,379.20 = 2,633.76 : x
  2. Step 2: Convert to fraction form
    4,622.40/6,379.20 = 2,633.76/x
  3. Step 3: Cross multiply
    4,622.40x = 6,379.20 × 2,633.76
  4. Step 4: Simplify right side
    4,622.40x = 16,801,281.79
  5. Step 5: Solve for x
    x = 16,801,281.79/4,622.40
  6. Step 6: Final answer
    x = 3,634.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.