Home / 8,469.22-11,688.62-5,113.93

Finding the Fourth Proportional to 8,469.22, 11,688.62 and 5,113.93

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Solution

The fourth proportional to 8,469.22, 11,688.62 and 5,113.93 is: 7,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.22 : 11,688.62 = 5,113.93 : x
  2. Step 2: Convert to fraction form
    8,469.22/11,688.62 = 5,113.93/x
  3. Step 3: Cross multiply
    8,469.22x = 11,688.62 × 5,113.93
  4. Step 4: Simplify right side
    8,469.22x = 59,774,784.48
  5. Step 5: Solve for x
    x = 59,774,784.48/8,469.22
  6. Step 6: Final answer
    x = 7,057.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.