Home / 5,394.32-7,439.24-3,401.42

Finding the Fourth Proportional to 5,394.32, 7,439.24 and 3,401.42

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Solution

The fourth proportional to 5,394.32, 7,439.24 and 3,401.42 is: 4,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.32 : 7,439.24 = 3,401.42 : x
  2. Step 2: Convert to fraction form
    5,394.32/7,439.24 = 3,401.42/x
  3. Step 3: Cross multiply
    5,394.32x = 7,439.24 × 3,401.42
  4. Step 4: Simplify right side
    5,394.32x = 25,303,979.72
  5. Step 5: Solve for x
    x = 25,303,979.72/5,394.32
  6. Step 6: Final answer
    x = 4,690.86

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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.