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Finding the Fourth Proportional to 8,712.92, 12,023.93 and 4,734.09

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Solution

The fourth proportional to 8,712.92, 12,023.93 and 4,734.09 is: 6,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.92 : 12,023.93 = 4,734.09 : x
  2. Step 2: Convert to fraction form
    8,712.92/12,023.93 = 4,734.09/x
  3. Step 3: Cross multiply
    8,712.92x = 12,023.93 × 4,734.09
  4. Step 4: Simplify right side
    8,712.92x = 56,922,366.77
  5. Step 5: Solve for x
    x = 56,922,366.77/8,712.92
  6. Step 6: Final answer
    x = 6,533.10

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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.