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Finding the Fourth Proportional to 9,674.65, 13,349.83 and 5,695.00

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Solution

The fourth proportional to 9,674.65, 13,349.83 and 5,695.00 is: 7,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.65 : 13,349.83 = 5,695.00 : x
  2. Step 2: Convert to fraction form
    9,674.65/13,349.83 = 5,695.00/x
  3. Step 3: Cross multiply
    9,674.65x = 13,349.83 × 5,695.00
  4. Step 4: Simplify right side
    9,674.65x = 76,027,238.16
  5. Step 5: Solve for x
    x = 76,027,238.16/9,674.65
  6. Step 6: Final answer
    x = 7,858.39

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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.