Home / 5,183.21-7,153.49-3,860.69

Finding the Fourth Proportional to 5,183.21, 7,153.49 and 3,860.69

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Solution

The fourth proportional to 5,183.21, 7,153.49 and 3,860.69 is: 5,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.21 : 7,153.49 = 3,860.69 : x
  2. Step 2: Convert to fraction form
    5,183.21/7,153.49 = 3,860.69/x
  3. Step 3: Cross multiply
    5,183.21x = 7,153.49 × 3,860.69
  4. Step 4: Simplify right side
    5,183.21x = 27,617,381.19
  5. Step 5: Solve for x
    x = 27,617,381.19/5,183.21
  6. Step 6: Final answer
    x = 5,328.24

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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.