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Finding the Fourth Proportional to 8,461.64, 11,671.44 and 5,276.36

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Solution

The fourth proportional to 8,461.64, 11,671.44 and 5,276.36 is: 7,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.64 : 11,671.44 = 5,276.36 : x
  2. Step 2: Convert to fraction form
    8,461.64/11,671.44 = 5,276.36/x
  3. Step 3: Cross multiply
    8,461.64x = 11,671.44 × 5,276.36
  4. Step 4: Simplify right side
    8,461.64x = 61,582,719.16
  5. Step 5: Solve for x
    x = 61,582,719.16/8,461.64
  6. Step 6: Final answer
    x = 7,277.87

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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.