Home / 9,157.42-13,732.84-3,960.46

Finding the Fourth Proportional to 9,157.42, 13,732.84 and 3,960.46

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Solution

The fourth proportional to 9,157.42, 13,732.84 and 3,960.46 is: 5,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.42 : 13,732.84 = 3,960.46 : x
  2. Step 2: Convert to fraction form
    9,157.42/13,732.84 = 3,960.46/x
  3. Step 3: Cross multiply
    9,157.42x = 13,732.84 × 3,960.46
  4. Step 4: Simplify right side
    9,157.42x = 54,388,363.51
  5. Step 5: Solve for x
    x = 54,388,363.51/9,157.42
  6. Step 6: Final answer
    x = 5,939.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.