Home / 5,393.26-7,440.67-3,154.42

Finding the Fourth Proportional to 5,393.26, 7,440.67 and 3,154.42

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Solution

The fourth proportional to 5,393.26, 7,440.67 and 3,154.42 is: 4,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.26 : 7,440.67 = 3,154.42 : x
  2. Step 2: Convert to fraction form
    5,393.26/7,440.67 = 3,154.42/x
  3. Step 3: Cross multiply
    5,393.26x = 7,440.67 × 3,154.42
  4. Step 4: Simplify right side
    5,393.26x = 23,470,945.29
  5. Step 5: Solve for x
    x = 23,470,945.29/5,393.26
  6. Step 6: Final answer
    x = 4,351.91

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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.