Home / 5,215.30-7,808.55-4,063.30

Finding the Fourth Proportional to 5,215.30, 7,808.55 and 4,063.30

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Solution

The fourth proportional to 5,215.30, 7,808.55 and 4,063.30 is: 6,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.30 : 7,808.55 = 4,063.30 : x
  2. Step 2: Convert to fraction form
    5,215.30/7,808.55 = 4,063.30/x
  3. Step 3: Cross multiply
    5,215.30x = 7,808.55 × 4,063.30
  4. Step 4: Simplify right side
    5,215.30x = 31,728,481.22
  5. Step 5: Solve for x
    x = 31,728,481.22/5,215.30
  6. Step 6: Final answer
    x = 6,083.73

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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.