Home / 5,390.33-7,439.24-3,152.96

Finding the Fourth Proportional to 5,390.33, 7,439.24 and 3,152.96

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Solution

The fourth proportional to 5,390.33, 7,439.24 and 3,152.96 is: 4,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.33 : 7,439.24 = 3,152.96 : x
  2. Step 2: Convert to fraction form
    5,390.33/7,439.24 = 3,152.96/x
  3. Step 3: Cross multiply
    5,390.33x = 7,439.24 × 3,152.96
  4. Step 4: Simplify right side
    5,390.33x = 23,455,626.15
  5. Step 5: Solve for x
    x = 23,455,626.15/5,390.33
  6. Step 6: Final answer
    x = 4,351.43

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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.