Home / 7,100.16-10,650.72-5,175.36

Finding the Fourth Proportional to 7,100.16, 10,650.72 and 5,175.36

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Solution

The fourth proportional to 7,100.16, 10,650.72 and 5,175.36 is: 7,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.16 : 10,650.72 = 5,175.36 : x
  2. Step 2: Convert to fraction form
    7,100.16/10,650.72 = 5,175.36/x
  3. Step 3: Cross multiply
    7,100.16x = 10,650.72 × 5,175.36
  4. Step 4: Simplify right side
    7,100.16x = 55,121,310.26
  5. Step 5: Solve for x
    x = 55,121,310.26/7,100.16
  6. Step 6: Final answer
    x = 7,763.39

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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.