Home / 5,179.29-7,147.62-3,084.63

Finding the Fourth Proportional to 5,179.29, 7,147.62 and 3,084.63

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Solution

The fourth proportional to 5,179.29, 7,147.62 and 3,084.63 is: 4,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.29 : 7,147.62 = 3,084.63 : x
  2. Step 2: Convert to fraction form
    5,179.29/7,147.62 = 3,084.63/x
  3. Step 3: Cross multiply
    5,179.29x = 7,147.62 × 3,084.63
  4. Step 4: Simplify right side
    5,179.29x = 22,047,763.08
  5. Step 5: Solve for x
    x = 22,047,763.08/5,179.29
  6. Step 6: Final answer
    x = 4,256.91

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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.