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Finding the Fourth Proportional to 8,695.65, 12,000.09 and 4,716.79

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Solution

The fourth proportional to 8,695.65, 12,000.09 and 4,716.79 is: 6,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.65 : 12,000.09 = 4,716.79 : x
  2. Step 2: Convert to fraction form
    8,695.65/12,000.09 = 4,716.79/x
  3. Step 3: Cross multiply
    8,695.65x = 12,000.09 × 4,716.79
  4. Step 4: Simplify right side
    8,695.65x = 56,601,904.51
  5. Step 5: Solve for x
    x = 56,601,904.51/8,695.65
  6. Step 6: Final answer
    x = 6,509.22

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