Home / 8,619.55-12,929.22-3,073.07

Finding the Fourth Proportional to 8,619.55, 12,929.22 and 3,073.07

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Solution

The fourth proportional to 8,619.55, 12,929.22 and 3,073.07 is: 4,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.55 : 12,929.22 = 3,073.07 : x
  2. Step 2: Convert to fraction form
    8,619.55/12,929.22 = 3,073.07/x
  3. Step 3: Cross multiply
    8,619.55x = 12,929.22 × 3,073.07
  4. Step 4: Simplify right side
    8,619.55x = 39,732,430.43
  5. Step 5: Solve for x
    x = 39,732,430.43/8,619.55
  6. Step 6: Final answer
    x = 4,609.57

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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.