Home / 9,109.28-13,667.36-4,724

Finding the Fourth Proportional to 9,109.28, 13,667.36 and 4,724

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Solution

The fourth proportional to 9,109.28, 13,667.36 and 4,724 is: 7,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.28 : 13,667.36 = 4,724 : x
  2. Step 2: Convert to fraction form
    9,109.28/13,667.36 = 4,724/x
  3. Step 3: Cross multiply
    9,109.28x = 13,667.36 × 4,724
  4. Step 4: Simplify right side
    9,109.28x = 64,564,608.64
  5. Step 5: Solve for x
    x = 64,564,608.64/9,109.28
  6. Step 6: Final answer
    x = 7,087.78

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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.