Home / 7,456.08-11,187.16-3,945.18

Finding the Fourth Proportional to 7,456.08, 11,187.16 and 3,945.18

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Solution

The fourth proportional to 7,456.08, 11,187.16 and 3,945.18 is: 5,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.08 : 11,187.16 = 3,945.18 : x
  2. Step 2: Convert to fraction form
    7,456.08/11,187.16 = 3,945.18/x
  3. Step 3: Cross multiply
    7,456.08x = 11,187.16 × 3,945.18
  4. Step 4: Simplify right side
    7,456.08x = 44,135,359.89
  5. Step 5: Solve for x
    x = 44,135,359.89/7,456.08
  6. Step 6: Final answer
    x = 5,919.38

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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.