Home / 6,150.80-9,215.40-5,049.20

Finding the Fourth Proportional to 6,150.80, 9,215.40 and 5,049.20

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Solution

The fourth proportional to 6,150.80, 9,215.40 and 5,049.20 is: 7,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.80 : 9,215.40 = 5,049.20 : x
  2. Step 2: Convert to fraction form
    6,150.80/9,215.40 = 5,049.20/x
  3. Step 3: Cross multiply
    6,150.80x = 9,215.40 × 5,049.20
  4. Step 4: Simplify right side
    6,150.80x = 46,530,397.68
  5. Step 5: Solve for x
    x = 46,530,397.68/6,150.80
  6. Step 6: Final answer
    x = 7,564.93

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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.