Home / 5,589.86-7,714.16-3,072.12

Finding the Fourth Proportional to 5,589.86, 7,714.16 and 3,072.12

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Solution

The fourth proportional to 5,589.86, 7,714.16 and 3,072.12 is: 4,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.86 : 7,714.16 = 3,072.12 : x
  2. Step 2: Convert to fraction form
    5,589.86/7,714.16 = 3,072.12/x
  3. Step 3: Cross multiply
    5,589.86x = 7,714.16 × 3,072.12
  4. Step 4: Simplify right side
    5,589.86x = 23,698,825.22
  5. Step 5: Solve for x
    x = 23,698,825.22/5,589.86
  6. Step 6: Final answer
    x = 4,239.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.