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Finding the Fourth Proportional to 7,376.66, 10,174.73 and 4,390.19

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Solution

The fourth proportional to 7,376.66, 10,174.73 and 4,390.19 is: 6,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.66 : 10,174.73 = 4,390.19 : x
  2. Step 2: Convert to fraction form
    7,376.66/10,174.73 = 4,390.19/x
  3. Step 3: Cross multiply
    7,376.66x = 10,174.73 × 4,390.19
  4. Step 4: Simplify right side
    7,376.66x = 44,668,997.90
  5. Step 5: Solve for x
    x = 44,668,997.90/7,376.66
  6. Step 6: Final answer
    x = 6,055.45

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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.