Home / 7,254.09-10,879.55-3,305.19

Finding the Fourth Proportional to 7,254.09, 10,879.55 and 3,305.19

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Solution

The fourth proportional to 7,254.09, 10,879.55 and 3,305.19 is: 4,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.09 : 10,879.55 = 3,305.19 : x
  2. Step 2: Convert to fraction form
    7,254.09/10,879.55 = 3,305.19/x
  3. Step 3: Cross multiply
    7,254.09x = 10,879.55 × 3,305.19
  4. Step 4: Simplify right side
    7,254.09x = 35,958,979.86
  5. Step 5: Solve for x
    x = 35,958,979.86/7,254.09
  6. Step 6: Final answer
    x = 4,957.06

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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.