Home / 6,151.50-8,489.08-3,357

Finding the Fourth Proportional to 6,151.50, 8,489.08 and 3,357

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Solution

The fourth proportional to 6,151.50, 8,489.08 and 3,357 is: 4,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.50 : 8,489.08 = 3,357 : x
  2. Step 2: Convert to fraction form
    6,151.50/8,489.08 = 3,357/x
  3. Step 3: Cross multiply
    6,151.50x = 8,489.08 × 3,357
  4. Step 4: Simplify right side
    6,151.50x = 28,497,841.56
  5. Step 5: Solve for x
    x = 28,497,841.56/6,151.50
  6. Step 6: Final answer
    x = 4,632.67

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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.