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Finding the Fourth Proportional to 8,799.12, 12,143.08 and 5,931.68

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Solution

The fourth proportional to 8,799.12, 12,143.08 and 5,931.68 is: 8,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.12 : 12,143.08 = 5,931.68 : x
  2. Step 2: Convert to fraction form
    8,799.12/12,143.08 = 5,931.68/x
  3. Step 3: Cross multiply
    8,799.12x = 12,143.08 × 5,931.68
  4. Step 4: Simplify right side
    8,799.12x = 72,028,864.77
  5. Step 5: Solve for x
    x = 72,028,864.77/8,799.12
  6. Step 6: Final answer
    x = 8,185.92

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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.