Home / 5,145.92-7,714.32-2,222.63

Finding the Fourth Proportional to 5,145.92, 7,714.32 and 2,222.63

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Solution

The fourth proportional to 5,145.92, 7,714.32 and 2,222.63 is: 3,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.92 : 7,714.32 = 2,222.63 : x
  2. Step 2: Convert to fraction form
    5,145.92/7,714.32 = 2,222.63/x
  3. Step 3: Cross multiply
    5,145.92x = 7,714.32 × 2,222.63
  4. Step 4: Simplify right side
    5,145.92x = 17,146,079.06
  5. Step 5: Solve for x
    x = 17,146,079.06/5,145.92
  6. Step 6: Final answer
    x = 3,331.98

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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.