Home / 5,171.81-7,136.96-3,047.54

Finding the Fourth Proportional to 5,171.81, 7,136.96 and 3,047.54

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Solution

The fourth proportional to 5,171.81, 7,136.96 and 3,047.54 is: 4,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.81 : 7,136.96 = 3,047.54 : x
  2. Step 2: Convert to fraction form
    5,171.81/7,136.96 = 3,047.54/x
  3. Step 3: Cross multiply
    5,171.81x = 7,136.96 × 3,047.54
  4. Step 4: Simplify right side
    5,171.81x = 21,750,120.16
  5. Step 5: Solve for x
    x = 21,750,120.16/5,171.81
  6. Step 6: Final answer
    x = 4,205.52

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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.