Home / 8,360.18-12,536.34-3,091.56

Finding the Fourth Proportional to 8,360.18, 12,536.34 and 3,091.56

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Solution

The fourth proportional to 8,360.18, 12,536.34 and 3,091.56 is: 4,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.18 : 12,536.34 = 3,091.56 : x
  2. Step 2: Convert to fraction form
    8,360.18/12,536.34 = 3,091.56/x
  3. Step 3: Cross multiply
    8,360.18x = 12,536.34 × 3,091.56
  4. Step 4: Simplify right side
    8,360.18x = 38,756,847.29
  5. Step 5: Solve for x
    x = 38,756,847.29/8,360.18
  6. Step 6: Final answer
    x = 4,635.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.