Home / 8,688.77-13,033.17-2,114.94

Finding the Fourth Proportional to 8,688.77, 13,033.17 and 2,114.94

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Solution

The fourth proportional to 8,688.77, 13,033.17 and 2,114.94 is: 3,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.77 : 13,033.17 = 2,114.94 : x
  2. Step 2: Convert to fraction form
    8,688.77/13,033.17 = 2,114.94/x
  3. Step 3: Cross multiply
    8,688.77x = 13,033.17 × 2,114.94
  4. Step 4: Simplify right side
    8,688.77x = 27,564,372.56
  5. Step 5: Solve for x
    x = 27,564,372.56/8,688.77
  6. Step 6: Final answer
    x = 3,172.42

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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.