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Finding the Fourth Proportional to 9,166.92, 12,650.34 and 4,975.20

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Solution

The fourth proportional to 9,166.92, 12,650.34 and 4,975.20 is: 6,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.92 : 12,650.34 = 4,975.20 : x
  2. Step 2: Convert to fraction form
    9,166.92/12,650.34 = 4,975.20/x
  3. Step 3: Cross multiply
    9,166.92x = 12,650.34 × 4,975.20
  4. Step 4: Simplify right side
    9,166.92x = 62,937,971.57
  5. Step 5: Solve for x
    x = 62,937,971.57/9,166.92
  6. Step 6: Final answer
    x = 6,865.77

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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.