Home / 5,171.40-7,136.34-2,933.32

Finding the Fourth Proportional to 5,171.40, 7,136.34 and 2,933.32

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Solution

The fourth proportional to 5,171.40, 7,136.34 and 2,933.32 is: 4,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.40 : 7,136.34 = 2,933.32 : x
  2. Step 2: Convert to fraction form
    5,171.40/7,136.34 = 2,933.32/x
  3. Step 3: Cross multiply
    5,171.40x = 7,136.34 × 2,933.32
  4. Step 4: Simplify right side
    5,171.40x = 20,933,168.85
  5. Step 5: Solve for x
    x = 20,933,168.85/5,171.40
  6. Step 6: Final answer
    x = 4,047.87

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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.