Home / 8,162.93-11,262.87-5,177.67

Finding the Fourth Proportional to 8,162.93, 11,262.87 and 5,177.67

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Solution

The fourth proportional to 8,162.93, 11,262.87 and 5,177.67 is: 7,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.93 : 11,262.87 = 5,177.67 : x
  2. Step 2: Convert to fraction form
    8,162.93/11,262.87 = 5,177.67/x
  3. Step 3: Cross multiply
    8,162.93x = 11,262.87 × 5,177.67
  4. Step 4: Simplify right side
    8,162.93x = 58,315,465.21
  5. Step 5: Solve for x
    x = 58,315,465.21/8,162.93
  6. Step 6: Final answer
    x = 7,143.94

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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.