Home / 5,170.32-7,131.14-3,579.63

Finding the Fourth Proportional to 5,170.32, 7,131.14 and 3,579.63

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Solution

The fourth proportional to 5,170.32, 7,131.14 and 3,579.63 is: 4,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.32 : 7,131.14 = 3,579.63 : x
  2. Step 2: Convert to fraction form
    5,170.32/7,131.14 = 3,579.63/x
  3. Step 3: Cross multiply
    5,170.32x = 7,131.14 × 3,579.63
  4. Step 4: Simplify right side
    5,170.32x = 25,526,824.78
  5. Step 5: Solve for x
    x = 25,526,824.78/5,170.32
  6. Step 6: Final answer
    x = 4,937.18

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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.