Home / 7,254.09-10,879.41-3,742.29

Finding the Fourth Proportional to 7,254.09, 10,879.41 and 3,742.29

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Solution

The fourth proportional to 7,254.09, 10,879.41 and 3,742.29 is: 5,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.09 : 10,879.41 = 3,742.29 : x
  2. Step 2: Convert to fraction form
    7,254.09/10,879.41 = 3,742.29/x
  3. Step 3: Cross multiply
    7,254.09x = 10,879.41 × 3,742.29
  4. Step 4: Simplify right side
    7,254.09x = 40,713,913.61
  5. Step 5: Solve for x
    x = 40,713,913.61/7,254.09
  6. Step 6: Final answer
    x = 5,612.54

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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.