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Finding the Fourth Proportional to 8,782.58, 12,119.95 and 4,803.73

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Solution

The fourth proportional to 8,782.58, 12,119.95 and 4,803.73 is: 6,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.58 : 12,119.95 = 4,803.73 : x
  2. Step 2: Convert to fraction form
    8,782.58/12,119.95 = 4,803.73/x
  3. Step 3: Cross multiply
    8,782.58x = 12,119.95 × 4,803.73
  4. Step 4: Simplify right side
    8,782.58x = 58,220,906.81
  5. Step 5: Solve for x
    x = 58,220,906.81/8,782.58
  6. Step 6: Final answer
    x = 6,629.13

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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.