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Finding the Fourth Proportional to 8,777.19, 12,112.82 and 4,798.22

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Solution

The fourth proportional to 8,777.19, 12,112.82 and 4,798.22 is: 6,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.19 : 12,112.82 = 4,798.22 : x
  2. Step 2: Convert to fraction form
    8,777.19/12,112.82 = 4,798.22/x
  3. Step 3: Cross multiply
    8,777.19x = 12,112.82 × 4,798.22
  4. Step 4: Simplify right side
    8,777.19x = 58,119,890.63
  5. Step 5: Solve for x
    x = 58,119,890.63/8,777.19
  6. Step 6: Final answer
    x = 6,621.70

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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.