Home / 5,179.95-7,772.24-2,714.20

Finding the Fourth Proportional to 5,179.95, 7,772.24 and 2,714.20

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Solution

The fourth proportional to 5,179.95, 7,772.24 and 2,714.20 is: 4,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.95 : 7,772.24 = 2,714.20 : x
  2. Step 2: Convert to fraction form
    5,179.95/7,772.24 = 2,714.20/x
  3. Step 3: Cross multiply
    5,179.95x = 7,772.24 × 2,714.20
  4. Step 4: Simplify right side
    5,179.95x = 21,095,401.16
  5. Step 5: Solve for x
    x = 21,095,401.16/5,179.95
  6. Step 6: Final answer
    x = 4,072.51

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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.