Home / 5,536.46-8,305.90-1,640.64

Finding the Fourth Proportional to 5,536.46, 8,305.90 and 1,640.64

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Solution

The fourth proportional to 5,536.46, 8,305.90 and 1,640.64 is: 2,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.46 : 8,305.90 = 1,640.64 : x
  2. Step 2: Convert to fraction form
    5,536.46/8,305.90 = 1,640.64/x
  3. Step 3: Cross multiply
    5,536.46x = 8,305.90 × 1,640.64
  4. Step 4: Simplify right side
    5,536.46x = 13,626,991.78
  5. Step 5: Solve for x
    x = 13,626,991.78/5,536.46
  6. Step 6: Final answer
    x = 2,461.32

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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.