Home / 5,168.13-7,753.40-1,705.38

Finding the Fourth Proportional to 5,168.13, 7,753.40 and 1,705.38

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Solution

The fourth proportional to 5,168.13, 7,753.40 and 1,705.38 is: 2,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.13 : 7,753.40 = 1,705.38 : x
  2. Step 2: Convert to fraction form
    5,168.13/7,753.40 = 1,705.38/x
  3. Step 3: Cross multiply
    5,168.13x = 7,753.40 × 1,705.38
  4. Step 4: Simplify right side
    5,168.13x = 13,222,493.29
  5. Step 5: Solve for x
    x = 13,222,493.29/5,168.13
  6. Step 6: Final answer
    x = 2,558.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.