Home / 5,189.19-7,165.26-4,008.21

Finding the Fourth Proportional to 5,189.19, 7,165.26 and 4,008.21

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Solution

The fourth proportional to 5,189.19, 7,165.26 and 4,008.21 is: 5,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.19 : 7,165.26 = 4,008.21 : x
  2. Step 2: Convert to fraction form
    5,189.19/7,165.26 = 4,008.21/x
  3. Step 3: Cross multiply
    5,189.19x = 7,165.26 × 4,008.21
  4. Step 4: Simplify right side
    5,189.19x = 28,719,866.78
  5. Step 5: Solve for x
    x = 28,719,866.78/5,189.19
  6. Step 6: Final answer
    x = 5,534.56

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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.