Home / 5,536.15-8,305.64-1,640.45

Finding the Fourth Proportional to 5,536.15, 8,305.64 and 1,640.45

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Solution

The fourth proportional to 5,536.15, 8,305.64 and 1,640.45 is: 2,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.15 : 8,305.64 = 1,640.45 : x
  2. Step 2: Convert to fraction form
    5,536.15/8,305.64 = 1,640.45/x
  3. Step 3: Cross multiply
    5,536.15x = 8,305.64 × 1,640.45
  4. Step 4: Simplify right side
    5,536.15x = 13,625,005.85
  5. Step 5: Solve for x
    x = 13,625,005.85/5,536.15
  6. Step 6: Final answer
    x = 2,461.10

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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.