Home / 9,127.79-13,688.04-3,865.22

Finding the Fourth Proportional to 9,127.79, 13,688.04 and 3,865.22

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Solution

The fourth proportional to 9,127.79, 13,688.04 and 3,865.22 is: 5,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.79 : 13,688.04 = 3,865.22 : x
  2. Step 2: Convert to fraction form
    9,127.79/13,688.04 = 3,865.22/x
  3. Step 3: Cross multiply
    9,127.79x = 13,688.04 × 3,865.22
  4. Step 4: Simplify right side
    9,127.79x = 52,907,285.97
  5. Step 5: Solve for x
    x = 52,907,285.97/9,127.79
  6. Step 6: Final answer
    x = 5,796.29

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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.