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Finding the Fourth Proportional to 5,164.96, 7,127.71 and 2,807.10

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Solution

The fourth proportional to 5,164.96, 7,127.71 and 2,807.10 is: 3,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.96 : 7,127.71 = 2,807.10 : x
  2. Step 2: Convert to fraction form
    5,164.96/7,127.71 = 2,807.10/x
  3. Step 3: Cross multiply
    5,164.96x = 7,127.71 × 2,807.10
  4. Step 4: Simplify right side
    5,164.96x = 20,008,159.10
  5. Step 5: Solve for x
    x = 20,008,159.10/5,164.96
  6. Step 6: Final answer
    x = 3,873.83

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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.