Home / 9,162.87-12,642.66-5,183.12

Finding the Fourth Proportional to 9,162.87, 12,642.66 and 5,183.12

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Solution

The fourth proportional to 9,162.87, 12,642.66 and 5,183.12 is: 7,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.87 : 12,642.66 = 5,183.12 : x
  2. Step 2: Convert to fraction form
    9,162.87/12,642.66 = 5,183.12/x
  3. Step 3: Cross multiply
    9,162.87x = 12,642.66 × 5,183.12
  4. Step 4: Simplify right side
    9,162.87x = 65,528,360.69
  5. Step 5: Solve for x
    x = 65,528,360.69/9,162.87
  6. Step 6: Final answer
    x = 7,151.51

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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.