Home / 4,622.40-6,381.04-2,855.04

Finding the Fourth Proportional to 4,622.40, 6,381.04 and 2,855.04

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Solution

The fourth proportional to 4,622.40, 6,381.04 and 2,855.04 is: 3,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.40 : 6,381.04 = 2,855.04 : x
  2. Step 2: Convert to fraction form
    4,622.40/6,381.04 = 2,855.04/x
  3. Step 3: Cross multiply
    4,622.40x = 6,381.04 × 2,855.04
  4. Step 4: Simplify right side
    4,622.40x = 18,218,124.44
  5. Step 5: Solve for x
    x = 18,218,124.44/4,622.40
  6. Step 6: Final answer
    x = 3,941.27

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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.