Home / 8,717.14-13,072.54-4,771.31

Finding the Fourth Proportional to 8,717.14, 13,072.54 and 4,771.31

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Solution

The fourth proportional to 8,717.14, 13,072.54 and 4,771.31 is: 7,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.14 : 13,072.54 = 4,771.31 : x
  2. Step 2: Convert to fraction form
    8,717.14/13,072.54 = 4,771.31/x
  3. Step 3: Cross multiply
    8,717.14x = 13,072.54 × 4,771.31
  4. Step 4: Simplify right side
    8,717.14x = 62,373,140.83
  5. Step 5: Solve for x
    x = 62,373,140.83/8,717.14
  6. Step 6: Final answer
    x = 7,155.23

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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.