Home / 5,706.81-7,874.73-3,189.03

Finding the Fourth Proportional to 5,706.81, 7,874.73 and 3,189.03

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Solution

The fourth proportional to 5,706.81, 7,874.73 and 3,189.03 is: 4,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.81 : 7,874.73 = 3,189.03 : x
  2. Step 2: Convert to fraction form
    5,706.81/7,874.73 = 3,189.03/x
  3. Step 3: Cross multiply
    5,706.81x = 7,874.73 × 3,189.03
  4. Step 4: Simplify right side
    5,706.81x = 25,112,750.21
  5. Step 5: Solve for x
    x = 25,112,750.21/5,706.81
  6. Step 6: Final answer
    x = 4,400.49

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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.