Home / 6,519.96-8,998.70-3,868.83

Finding the Fourth Proportional to 6,519.96, 8,998.70 and 3,868.83

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Solution

The fourth proportional to 6,519.96, 8,998.70 and 3,868.83 is: 5,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.96 : 8,998.70 = 3,868.83 : x
  2. Step 2: Convert to fraction form
    6,519.96/8,998.70 = 3,868.83/x
  3. Step 3: Cross multiply
    6,519.96x = 8,998.70 × 3,868.83
  4. Step 4: Simplify right side
    6,519.96x = 34,814,421.18
  5. Step 5: Solve for x
    x = 34,814,421.18/6,519.96
  6. Step 6: Final answer
    x = 5,339.67

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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.