Home / 4,406.85-6,080.40-2,638.17

Finding the Fourth Proportional to 4,406.85, 6,080.40 and 2,638.17

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Solution

The fourth proportional to 4,406.85, 6,080.40 and 2,638.17 is: 3,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.85 : 6,080.40 = 2,638.17 : x
  2. Step 2: Convert to fraction form
    4,406.85/6,080.40 = 2,638.17/x
  3. Step 3: Cross multiply
    4,406.85x = 6,080.40 × 2,638.17
  4. Step 4: Simplify right side
    4,406.85x = 16,041,128.87
  5. Step 5: Solve for x
    x = 16,041,128.87/4,406.85
  6. Step 6: Final answer
    x = 3,640.04

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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.