Home / 5,180.34-7,145.82-3,762.36

Finding the Fourth Proportional to 5,180.34, 7,145.82 and 3,762.36

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Solution

The fourth proportional to 5,180.34, 7,145.82 and 3,762.36 is: 5,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.34 : 7,145.82 = 3,762.36 : x
  2. Step 2: Convert to fraction form
    5,180.34/7,145.82 = 3,762.36/x
  3. Step 3: Cross multiply
    5,180.34x = 7,145.82 × 3,762.36
  4. Step 4: Simplify right side
    5,180.34x = 26,885,147.34
  5. Step 5: Solve for x
    x = 26,885,147.34/5,180.34
  6. Step 6: Final answer
    x = 5,189.84

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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.