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Finding the Fourth Proportional to 5,535.88, 8,305.04 and 1,640.60

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Solution

The fourth proportional to 5,535.88, 8,305.04 and 1,640.60 is: 2,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.88 : 8,305.04 = 1,640.60 : x
  2. Step 2: Convert to fraction form
    5,535.88/8,305.04 = 1,640.60/x
  3. Step 3: Cross multiply
    5,535.88x = 8,305.04 × 1,640.60
  4. Step 4: Simplify right side
    5,535.88x = 13,625,248.62
  5. Step 5: Solve for x
    x = 13,625,248.62/5,535.88
  6. Step 6: Final answer
    x = 2,461.26

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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.