Home / 5,231.34-7,216.92-3,134.25

Finding the Fourth Proportional to 5,231.34, 7,216.92 and 3,134.25

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Solution

The fourth proportional to 5,231.34, 7,216.92 and 3,134.25 is: 4,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.34 : 7,216.92 = 3,134.25 : x
  2. Step 2: Convert to fraction form
    5,231.34/7,216.92 = 3,134.25/x
  3. Step 3: Cross multiply
    5,231.34x = 7,216.92 × 3,134.25
  4. Step 4: Simplify right side
    5,231.34x = 22,619,631.51
  5. Step 5: Solve for x
    x = 22,619,631.51/5,231.34
  6. Step 6: Final answer
    x = 4,323.87

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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.