Home / 9,051.66-13,581.36-5,105.88

Finding the Fourth Proportional to 9,051.66, 13,581.36 and 5,105.88

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Solution

The fourth proportional to 9,051.66, 13,581.36 and 5,105.88 is: 7,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.66 : 13,581.36 = 5,105.88 : x
  2. Step 2: Convert to fraction form
    9,051.66/13,581.36 = 5,105.88/x
  3. Step 3: Cross multiply
    9,051.66x = 13,581.36 × 5,105.88
  4. Step 4: Simplify right side
    9,051.66x = 69,344,794.40
  5. Step 5: Solve for x
    x = 69,344,794.40/9,051.66
  6. Step 6: Final answer
    x = 7,661.00

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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.