Home / 3,626.91-5,009.72-3,153.87

Finding the Fourth Proportional to 3,626.91, 5,009.72 and 3,153.87

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Solution

The fourth proportional to 3,626.91, 5,009.72 and 3,153.87 is: 4,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.91 : 5,009.72 = 3,153.87 : x
  2. Step 2: Convert to fraction form
    3,626.91/5,009.72 = 3,153.87/x
  3. Step 3: Cross multiply
    3,626.91x = 5,009.72 × 3,153.87
  4. Step 4: Simplify right side
    3,626.91x = 15,799,989.85
  5. Step 5: Solve for x
    x = 15,799,989.85/3,626.91
  6. Step 6: Final answer
    x = 4,356.32

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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.