Home / 8,647.18-12,958.21-4,695.09

Finding the Fourth Proportional to 8,647.18, 12,958.21 and 4,695.09

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Solution

The fourth proportional to 8,647.18, 12,958.21 and 4,695.09 is: 7,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.18 : 12,958.21 = 4,695.09 : x
  2. Step 2: Convert to fraction form
    8,647.18/12,958.21 = 4,695.09/x
  3. Step 3: Cross multiply
    8,647.18x = 12,958.21 × 4,695.09
  4. Step 4: Simplify right side
    8,647.18x = 60,839,919.46
  5. Step 5: Solve for x
    x = 60,839,919.46/8,647.18
  6. Step 6: Final answer
    x = 7,035.81

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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.