Home / 5,399.08-7,451.27-3,160.82

Finding the Fourth Proportional to 5,399.08, 7,451.27 and 3,160.82

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Solution

The fourth proportional to 5,399.08, 7,451.27 and 3,160.82 is: 4,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.08 : 7,451.27 = 3,160.82 : x
  2. Step 2: Convert to fraction form
    5,399.08/7,451.27 = 3,160.82/x
  3. Step 3: Cross multiply
    5,399.08x = 7,451.27 × 3,160.82
  4. Step 4: Simplify right side
    5,399.08x = 23,552,123.24
  5. Step 5: Solve for x
    x = 23,552,123.24/5,399.08
  6. Step 6: Final answer
    x = 4,362.25

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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.