Home / 9,107.39-13,663.02-5,160.54

Finding the Fourth Proportional to 9,107.39, 13,663.02 and 5,160.54

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Solution

The fourth proportional to 9,107.39, 13,663.02 and 5,160.54 is: 7,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.39 : 13,663.02 = 5,160.54 : x
  2. Step 2: Convert to fraction form
    9,107.39/13,663.02 = 5,160.54/x
  3. Step 3: Cross multiply
    9,107.39x = 13,663.02 × 5,160.54
  4. Step 4: Simplify right side
    9,107.39x = 70,508,529.35
  5. Step 5: Solve for x
    x = 70,508,529.35/9,107.39
  6. Step 6: Final answer
    x = 7,741.90

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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.