Home / 7,714.22-10,645.61-4,177.44

Finding the Fourth Proportional to 7,714.22, 10,645.61 and 4,177.44

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Solution

The fourth proportional to 7,714.22, 10,645.61 and 4,177.44 is: 5,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.22 : 10,645.61 = 4,177.44 : x
  2. Step 2: Convert to fraction form
    7,714.22/10,645.61 = 4,177.44/x
  3. Step 3: Cross multiply
    7,714.22x = 10,645.61 × 4,177.44
  4. Step 4: Simplify right side
    7,714.22x = 44,471,376.15
  5. Step 5: Solve for x
    x = 44,471,376.15/7,714.22
  6. Step 6: Final answer
    x = 5,764.86

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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.