Home / 5,173.32-7,138.92-2,935.80

Finding the Fourth Proportional to 5,173.32, 7,138.92 and 2,935.80

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Solution

The fourth proportional to 5,173.32, 7,138.92 and 2,935.80 is: 4,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.32 : 7,138.92 = 2,935.80 : x
  2. Step 2: Convert to fraction form
    5,173.32/7,138.92 = 2,935.80/x
  3. Step 3: Cross multiply
    5,173.32x = 7,138.92 × 2,935.80
  4. Step 4: Simplify right side
    5,173.32x = 20,958,441.34
  5. Step 5: Solve for x
    x = 20,958,441.34/5,173.32
  6. Step 6: Final answer
    x = 4,051.26

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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.