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Finding the Fourth Proportional to 4,617.72, 6,894.41 and 3,924.72

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Solution

The fourth proportional to 4,617.72, 6,894.41 and 3,924.72 is: 5,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.72 : 6,894.41 = 3,924.72 : x
  2. Step 2: Convert to fraction form
    4,617.72/6,894.41 = 3,924.72/x
  3. Step 3: Cross multiply
    4,617.72x = 6,894.41 × 3,924.72
  4. Step 4: Simplify right side
    4,617.72x = 27,058,609.19
  5. Step 5: Solve for x
    x = 27,058,609.19/4,617.72
  6. Step 6: Final answer
    x = 5,859.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.