Home / 6,875.13-10,308.05-3,175.32

Finding the Fourth Proportional to 6,875.13, 10,308.05 and 3,175.32

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Solution

The fourth proportional to 6,875.13, 10,308.05 and 3,175.32 is: 4,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.13 : 10,308.05 = 3,175.32 : x
  2. Step 2: Convert to fraction form
    6,875.13/10,308.05 = 3,175.32/x
  3. Step 3: Cross multiply
    6,875.13x = 10,308.05 × 3,175.32
  4. Step 4: Simplify right side
    6,875.13x = 32,731,357.33
  5. Step 5: Solve for x
    x = 32,731,357.33/6,875.13
  6. Step 6: Final answer
    x = 4,760.83

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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.