Home / 5,401.62-7,452.59-3,163.28

Finding the Fourth Proportional to 5,401.62, 7,452.59 and 3,163.28

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Solution

The fourth proportional to 5,401.62, 7,452.59 and 3,163.28 is: 4,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.62 : 7,452.59 = 3,163.28 : x
  2. Step 2: Convert to fraction form
    5,401.62/7,452.59 = 3,163.28/x
  3. Step 3: Cross multiply
    5,401.62x = 7,452.59 × 3,163.28
  4. Step 4: Simplify right side
    5,401.62x = 23,574,575.82
  5. Step 5: Solve for x
    x = 23,574,575.82/5,401.62
  6. Step 6: Final answer
    x = 4,364.35

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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.